Home / 499,391,999.60-749,087,999.40-257,527,295.60

Finding the Fourth Proportional to 499,391,999.60, 749,087,999.40 and 257,527,295.60

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Solution

The fourth proportional to 499,391,999.60, 749,087,999.40 and 257,527,295.60 is: 386,290,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,391,999.60 : 749,087,999.40 = 257,527,295.60 : x
  2. Step 2: Convert to fraction form
    499,391,999.60/749,087,999.40 = 257,527,295.60/x
  3. Step 3: Cross multiply
    499,391,999.60x = 749,087,999.40 × 257,527,295.60
  4. Step 4: Simplify right side
    499,391,999.60x = 192,910,606,651,896,416
  5. Step 5: Solve for x
    x = 192,910,606,651,896,416/499,391,999.60
  6. Step 6: Final answer
    x = 386,290,943.40

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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.