Home / 457,768,312.40-686,652,468.60-264,276,549.20

Finding the Fourth Proportional to 457,768,312.40, 686,652,468.60 and 264,276,549.20

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Solution

The fourth proportional to 457,768,312.40, 686,652,468.60 and 264,276,549.20 is: 396,414,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,768,312.40 : 686,652,468.60 = 264,276,549.20 : x
  2. Step 2: Convert to fraction form
    457,768,312.40/686,652,468.60 = 264,276,549.20/x
  3. Step 3: Cross multiply
    457,768,312.40x = 686,652,468.60 × 264,276,549.20
  4. Step 4: Simplify right side
    457,768,312.40x = 181,466,144,901,269,344
  5. Step 5: Solve for x
    x = 181,466,144,901,269,344/457,768,312.40
  6. Step 6: Final answer
    x = 396,414,823.80

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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.