Home / 1,488,594,066.39-2,232,890,952.71-398,048,790.87

Finding the Fourth Proportional to 1,488,594,066.39, 2,232,890,952.71 and 398,048,790.87

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Solution

The fourth proportional to 1,488,594,066.39, 2,232,890,952.71 and 398,048,790.87 is: 597,073,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,594,066.39 : 2,232,890,952.71 = 398,048,790.87 : x
  2. Step 2: Convert to fraction form
    1,488,594,066.39/2,232,890,952.71 = 398,048,790.87/x
  3. Step 3: Cross multiply
    1,488,594,066.39x = 2,232,890,952.71 × 398,048,790.87
  4. Step 4: Simplify right side
    1,488,594,066.39x = 888,799,543,868,787,584
  5. Step 5: Solve for x
    x = 888,799,543,868,787,584/1,488,594,066.39
  6. Step 6: Final answer
    x = 597,073,147.03

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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.