Home / 457,728,002.40-686,592,003.60-112,678,888.80

Finding the Fourth Proportional to 457,728,002.40, 686,592,003.60 and 112,678,888.80

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Solution

The fourth proportional to 457,728,002.40, 686,592,003.60 and 112,678,888.80 is: 169,018,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,728,002.40 : 686,592,003.60 = 112,678,888.80 : x
  2. Step 2: Convert to fraction form
    457,728,002.40/686,592,003.60 = 112,678,888.80/x
  3. Step 3: Cross multiply
    457,728,002.40x = 686,592,003.60 × 112,678,888.80
  4. Step 4: Simplify right side
    457,728,002.40x = 77,364,424,024,613,600
  5. Step 5: Solve for x
    x = 77,364,424,024,613,600/457,728,002.40
  6. Step 6: Final answer
    x = 169,018,333.20

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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.