Home / 2,186,130,812.40-3,279,196,218.60-633,472,786.80

Finding the Fourth Proportional to 2,186,130,812.40, 3,279,196,218.60 and 633,472,786.80

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Solution

The fourth proportional to 2,186,130,812.40, 3,279,196,218.60 and 633,472,786.80 is: 950,209,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,130,812.40 : 3,279,196,218.60 = 633,472,786.80 : x
  2. Step 2: Convert to fraction form
    2,186,130,812.40/3,279,196,218.60 = 633,472,786.80/x
  3. Step 3: Cross multiply
    2,186,130,812.40x = 3,279,196,218.60 × 633,472,786.80
  4. Step 4: Simplify right side
    2,186,130,812.40x = 2,077,281,567,060,563,712
  5. Step 5: Solve for x
    x = 2,077,281,567,060,563,712/2,186,130,812.40
  6. Step 6: Final answer
    x = 950,209,180.20

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Half scale
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Double scale
Find fourth proportional to 2,186,130,813.40, 3,279,196,220.10 and 633,472,787.80
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.