Home / 472,392,421.20-708,588,631.80-349,948,414.80

Finding the Fourth Proportional to 472,392,421.20, 708,588,631.80 and 349,948,414.80

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Solution

The fourth proportional to 472,392,421.20, 708,588,631.80 and 349,948,414.80 is: 524,922,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,421.20 : 708,588,631.80 = 349,948,414.80 : x
  2. Step 2: Convert to fraction form
    472,392,421.20/708,588,631.80 = 349,948,414.80/x
  3. Step 3: Cross multiply
    472,392,421.20x = 708,588,631.80 × 349,948,414.80
  4. Step 4: Simplify right side
    472,392,421.20x = 247,969,468,443,710,848
  5. Step 5: Solve for x
    x = 247,969,468,443,710,848/472,392,421.20
  6. Step 6: Final answer
    x = 524,922,622.20

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1.5x scale

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.