Home / 442,553,867.60-663,830,801.40-238,480,523.60

Finding the Fourth Proportional to 442,553,867.60, 663,830,801.40 and 238,480,523.60

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Solution

The fourth proportional to 442,553,867.60, 663,830,801.40 and 238,480,523.60 is: 357,720,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,553,867.60 : 663,830,801.40 = 238,480,523.60 : x
  2. Step 2: Convert to fraction form
    442,553,867.60/663,830,801.40 = 238,480,523.60/x
  3. Step 3: Cross multiply
    442,553,867.60x = 663,830,801.40 × 238,480,523.60
  4. Step 4: Simplify right side
    442,553,867.60x = 158,310,717,099,679,616
  5. Step 5: Solve for x
    x = 158,310,717,099,679,616/442,553,867.60
  6. Step 6: Final answer
    x = 357,720,785.40

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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.