Home / 8,859,472,001.70-13,289,208,002.55-7,419,033,320.10

Finding the Fourth Proportional to 8,859,472,001.70, 13,289,208,002.55 and 7,419,033,320.10

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Solution

The fourth proportional to 8,859,472,001.70, 13,289,208,002.55 and 7,419,033,320.10 is: 11,128,549,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,472,001.70 : 13,289,208,002.55 = 7,419,033,320.10 : x
  2. Step 2: Convert to fraction form
    8,859,472,001.70/13,289,208,002.55 = 7,419,033,320.10/x
  3. Step 3: Cross multiply
    8,859,472,001.70x = 13,289,208,002.55 × 7,419,033,320.10
  4. Step 4: Simplify right side
    8,859,472,001.70x = 98,593,076,968,658,010,112
  5. Step 5: Solve for x
    x = 98,593,076,968,658,010,112/8,859,472,001.70
  6. Step 6: Final answer
    x = 11,128,549,980.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.