Home / 472,392,456.80-708,588,685.20-443,671,023.20

Finding the Fourth Proportional to 472,392,456.80, 708,588,685.20 and 443,671,023.20

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Solution

The fourth proportional to 472,392,456.80, 708,588,685.20 and 443,671,023.20 is: 665,506,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,456.80 : 708,588,685.20 = 443,671,023.20 : x
  2. Step 2: Convert to fraction form
    472,392,456.80/708,588,685.20 = 443,671,023.20/x
  3. Step 3: Cross multiply
    472,392,456.80x = 708,588,685.20 × 443,671,023.20
  4. Step 4: Simplify right side
    472,392,456.80x = 314,380,266,990,626,688
  5. Step 5: Solve for x
    x = 314,380,266,990,626,688/472,392,456.80
  6. Step 6: Final answer
    x = 665,506,534.80

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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.