Home / 11,190,145,048.04-15,449,369,328.80-7,123,341,393.20

Finding the Fourth Proportional to 11,190,145,048.04, 15,449,369,328.80 and 7,123,341,393.20

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Solution

The fourth proportional to 11,190,145,048.04, 15,449,369,328.80 and 7,123,341,393.20 is: 9,834,647,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,145,048.04 : 15,449,369,328.80 = 7,123,341,393.20 : x
  2. Step 2: Convert to fraction form
    11,190,145,048.04/15,449,369,328.80 = 7,123,341,393.20/x
  3. Step 3: Cross multiply
    11,190,145,048.04x = 15,449,369,328.80 × 7,123,341,393.20
  4. Step 4: Simplify right side
    11,190,145,048.04x = 110,051,132,038,639,927,296
  5. Step 5: Solve for x
    x = 110,051,132,038,639,927,296/11,190,145,048.04
  6. Step 6: Final answer
    x = 9,834,647,501.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.