Home / 725,316,006,123.70-1,087,974,009,185.50-347,813,481,642.10

Finding the Fourth Proportional to 725,316,006,123.70, 1,087,974,009,185.50 and 347,813,481,642.10

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Solution

The fourth proportional to 725,316,006,123.70, 1,087,974,009,185.50 and 347,813,481,642.10 is: 521,720,222,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316,006,123.70 : 1,087,974,009,185.50 = 347,813,481,642.10 : x
  2. Step 2: Convert to fraction form
    725,316,006,123.70/1,087,974,009,185.50 = 347,813,481,642.10/x
  3. Step 3: Cross multiply
    725,316,006,123.70x = 1,087,974,009,185.50 × 347,813,481,642.10
  4. Step 4: Simplify right side
    725,316,006,123.70x = 378,412,028,070,922,813,440,000
  5. Step 5: Solve for x
    x = 378,412,028,070,922,813,440,000/725,316,006,123.70
  6. Step 6: Final answer
    x = 521,720,222,463.13

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Double scale
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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.