Home / 1,086,849,126.80-1,499,469,201.96-710,725,896.08

Finding the Fourth Proportional to 1,086,849,126.80, 1,499,469,201.96 and 710,725,896.08

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Solution

The fourth proportional to 1,086,849,126.80, 1,499,469,201.96 and 710,725,896.08 is: 980,551,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,849,126.80 : 1,499,469,201.96 = 710,725,896.08 : x
  2. Step 2: Convert to fraction form
    1,086,849,126.80/1,499,469,201.96 = 710,725,896.08/x
  3. Step 3: Cross multiply
    1,086,849,126.80x = 1,499,469,201.96 × 710,725,896.08
  4. Step 4: Simplify right side
    1,086,849,126.80x = 1,065,711,592,207,383,552
  5. Step 5: Solve for x
    x = 1,065,711,592,207,383,552/1,086,849,126.80
  6. Step 6: Final answer
    x = 980,551,546.60

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Double scale
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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.