Home / 578,047,877.69-797,706,861.15-313,729,874.80

Finding the Fourth Proportional to 578,047,877.69, 797,706,861.15 and 313,729,874.80

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Solution

The fourth proportional to 578,047,877.69, 797,706,861.15 and 313,729,874.80 is: 432,947,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,877.69 : 797,706,861.15 = 313,729,874.80 : x
  2. Step 2: Convert to fraction form
    578,047,877.69/797,706,861.15 = 313,729,874.80/x
  3. Step 3: Cross multiply
    578,047,877.69x = 797,706,861.15 × 313,729,874.80
  4. Step 4: Simplify right side
    578,047,877.69x = 250,264,473,674,872,704
  5. Step 5: Solve for x
    x = 250,264,473,674,872,704/578,047,877.69
  6. Step 6: Final answer
    x = 432,947,655.96

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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.