Home / 959,366,719.80-1,439,050,079.70-890,491,966.20

Finding the Fourth Proportional to 959,366,719.80, 1,439,050,079.70 and 890,491,966.20

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Solution

The fourth proportional to 959,366,719.80, 1,439,050,079.70 and 890,491,966.20 is: 1,335,737,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,366,719.80 : 1,439,050,079.70 = 890,491,966.20 : x
  2. Step 2: Convert to fraction form
    959,366,719.80/1,439,050,079.70 = 890,491,966.20/x
  3. Step 3: Cross multiply
    959,366,719.80x = 1,439,050,079.70 × 890,491,966.20
  4. Step 4: Simplify right side
    959,366,719.80x = 1,281,462,534,932,319,744
  5. Step 5: Solve for x
    x = 1,281,462,534,932,319,744/959,366,719.80
  6. Step 6: Final answer
    x = 1,335,737,949.30

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1.5x scale

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.