Home / 363,986,291.20-545,979,436.80-345,332,712.10

Finding the Fourth Proportional to 363,986,291.20, 545,979,436.80 and 345,332,712.10

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Solution

The fourth proportional to 363,986,291.20, 545,979,436.80 and 345,332,712.10 is: 517,999,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,986,291.20 : 545,979,436.80 = 345,332,712.10 : x
  2. Step 2: Convert to fraction form
    363,986,291.20/545,979,436.80 = 345,332,712.10/x
  3. Step 3: Cross multiply
    363,986,291.20x = 545,979,436.80 × 345,332,712.10
  4. Step 4: Simplify right side
    363,986,291.20x = 188,544,559,660,974,528
  5. Step 5: Solve for x
    x = 188,544,559,660,974,528/363,986,291.20
  6. Step 6: Final answer
    x = 517,999,068.15

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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.