Home / 873,690,711.50-1,310,540,966.38-291,423,358.58

Finding the Fourth Proportional to 873,690,711.50, 1,310,540,966.38 and 291,423,358.58

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Solution

The fourth proportional to 873,690,711.50, 1,310,540,966.38 and 291,423,358.58 is: 437,136,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,690,711.50 : 1,310,540,966.38 = 291,423,358.58 : x
  2. Step 2: Convert to fraction form
    873,690,711.50/1,310,540,966.38 = 291,423,358.58/x
  3. Step 3: Cross multiply
    873,690,711.50x = 1,310,540,966.38 × 291,423,358.58
  4. Step 4: Simplify right side
    873,690,711.50x = 381,922,249,979,138,496
  5. Step 5: Solve for x
    x = 381,922,249,979,138,496/873,690,711.50
  6. Step 6: Final answer
    x = 437,136,672.00

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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.