Home / 363,986,281.20-545,979,421.80-345,332,702.10

Finding the Fourth Proportional to 363,986,281.20, 545,979,421.80 and 345,332,702.10

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Solution

The fourth proportional to 363,986,281.20, 545,979,421.80 and 345,332,702.10 is: 517,999,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,986,281.20 : 545,979,421.80 = 345,332,702.10 : x
  2. Step 2: Convert to fraction form
    363,986,281.20/545,979,421.80 = 345,332,702.10/x
  3. Step 3: Cross multiply
    363,986,281.20x = 545,979,421.80 × 345,332,702.10
  4. Step 4: Simplify right side
    363,986,281.20x = 188,544,549,021,189,632
  5. Step 5: Solve for x
    x = 188,544,549,021,189,632/363,986,281.20
  6. Step 6: Final answer
    x = 517,999,053.15

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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.