Home / 1,488,594,065.64-2,232,890,951.58-398,048,790.12

Finding the Fourth Proportional to 1,488,594,065.64, 2,232,890,951.58 and 398,048,790.12

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Solution

The fourth proportional to 1,488,594,065.64, 2,232,890,951.58 and 398,048,790.12 is: 597,073,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,594,065.64 : 2,232,890,951.58 = 398,048,790.12 : x
  2. Step 2: Convert to fraction form
    1,488,594,065.64/2,232,890,951.58 = 398,048,790.12/x
  3. Step 3: Cross multiply
    1,488,594,065.64x = 2,232,890,951.58 × 398,048,790.12
  4. Step 4: Simplify right side
    1,488,594,065.64x = 888,799,541,746,314,496
  5. Step 5: Solve for x
    x = 888,799,541,746,314,496/1,488,594,065.64
  6. Step 6: Final answer
    x = 597,073,145.90

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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.