Home / 1,488,594,064.64-2,232,890,950.08-398,048,789.12

Finding the Fourth Proportional to 1,488,594,064.64, 2,232,890,950.08 and 398,048,789.12

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Solution

The fourth proportional to 1,488,594,064.64, 2,232,890,950.08 and 398,048,789.12 is: 597,073,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,594,064.64 : 2,232,890,950.08 = 398,048,789.12 : x
  2. Step 2: Convert to fraction form
    1,488,594,064.64/2,232,890,950.08 = 398,048,789.12/x
  3. Step 3: Cross multiply
    1,488,594,064.64x = 2,232,890,950.08 × 398,048,789.12
  4. Step 4: Simplify right side
    1,488,594,064.64x = 888,799,538,916,350,336
  5. Step 5: Solve for x
    x = 888,799,538,916,350,336/1,488,594,064.64
  6. Step 6: Final answer
    x = 597,073,144.40

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Double scale
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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.