Home / 499,971,574.79-690,200,024.01-332,985,726.71

Finding the Fourth Proportional to 499,971,574.79, 690,200,024.01 and 332,985,726.71

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Solution

The fourth proportional to 499,971,574.79, 690,200,024.01 and 332,985,726.71 is: 459,679,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,971,574.79 : 690,200,024.01 = 332,985,726.71 : x
  2. Step 2: Convert to fraction form
    499,971,574.79/690,200,024.01 = 332,985,726.71/x
  3. Step 3: Cross multiply
    499,971,574.79x = 690,200,024.01 × 332,985,726.71
  4. Step 4: Simplify right side
    499,971,574.79x = 229,826,756,570,229,280
  5. Step 5: Solve for x
    x = 229,826,756,570,229,280/499,971,574.79
  6. Step 6: Final answer
    x = 459,679,646.12

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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.