Home / 486,426,432.70-730,367,723.19-421,050,332.35

Finding the Fourth Proportional to 486,426,432.70, 730,367,723.19 and 421,050,332.35

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Solution

The fourth proportional to 486,426,432.70, 730,367,723.19 and 421,050,332.35 is: 632,205,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,426,432.70 : 730,367,723.19 = 421,050,332.35 : x
  2. Step 2: Convert to fraction form
    486,426,432.70/730,367,723.19 = 421,050,332.35/x
  3. Step 3: Cross multiply
    486,426,432.70x = 730,367,723.19 × 421,050,332.35
  4. Step 4: Simplify right side
    486,426,432.70x = 307,521,572,586,862,336
  5. Step 5: Solve for x
    x = 307,521,572,586,862,336/486,426,432.70
  6. Step 6: Final answer
    x = 632,205,718.92

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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.