Home / 457,668,084.60-686,502,126.90-328,001,729.40

Finding the Fourth Proportional to 457,668,084.60, 686,502,126.90 and 328,001,729.40

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Solution

The fourth proportional to 457,668,084.60, 686,502,126.90 and 328,001,729.40 is: 492,002,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,668,084.60 : 686,502,126.90 = 328,001,729.40 : x
  2. Step 2: Convert to fraction form
    457,668,084.60/686,502,126.90 = 328,001,729.40/x
  3. Step 3: Cross multiply
    457,668,084.60x = 686,502,126.90 × 328,001,729.40
  4. Step 4: Simplify right side
    457,668,084.60x = 225,173,884,859,978,240
  5. Step 5: Solve for x
    x = 225,173,884,859,978,240/457,668,084.60
  6. Step 6: Final answer
    x = 492,002,594.10

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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.