Home / 498,506,833.89-747,091,849.53-387,975,969.30

Finding the Fourth Proportional to 498,506,833.89, 747,091,849.53 and 387,975,969.30

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Solution

The fourth proportional to 498,506,833.89, 747,091,849.53 and 387,975,969.30 is: 581,443,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,833.89 : 747,091,849.53 = 387,975,969.30 : x
  2. Step 2: Convert to fraction form
    498,506,833.89/747,091,849.53 = 387,975,969.30/x
  3. Step 3: Cross multiply
    498,506,833.89x = 747,091,849.53 × 387,975,969.30
  4. Step 4: Simplify right side
    498,506,833.89x = 289,853,684,477,531,520
  5. Step 5: Solve for x
    x = 289,853,684,477,531,520/498,506,833.89
  6. Step 6: Final answer
    x = 581,443,753.17

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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.