Home / 1,488,594,063.64-2,232,890,948.58-398,048,788.12

Finding the Fourth Proportional to 1,488,594,063.64, 2,232,890,948.58 and 398,048,788.12

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Solution

The fourth proportional to 1,488,594,063.64, 2,232,890,948.58 and 398,048,788.12 is: 597,073,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,594,063.64 : 2,232,890,948.58 = 398,048,788.12 : x
  2. Step 2: Convert to fraction form
    1,488,594,063.64/2,232,890,948.58 = 398,048,788.12/x
  3. Step 3: Cross multiply
    1,488,594,063.64x = 2,232,890,948.58 × 398,048,788.12
  4. Step 4: Simplify right side
    1,488,594,063.64x = 888,799,536,086,386,176
  5. Step 5: Solve for x
    x = 888,799,536,086,386,176/1,488,594,063.64
  6. Step 6: Final answer
    x = 597,073,142.90

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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.