Home / 756,091,521.40-1,132,436,670.90-449,981,505.40

Finding the Fourth Proportional to 756,091,521.40, 1,132,436,670.90 and 449,981,505.40

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Solution

The fourth proportional to 756,091,521.40, 1,132,436,670.90 and 449,981,505.40 is: 673,960,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,091,521.40 : 1,132,436,670.90 = 449,981,505.40 : x
  2. Step 2: Convert to fraction form
    756,091,521.40/1,132,436,670.90 = 449,981,505.40/x
  3. Step 3: Cross multiply
    756,091,521.40x = 1,132,436,670.90 × 449,981,505.40
  4. Step 4: Simplify right side
    756,091,521.40x = 509,575,557,941,746,368
  5. Step 5: Solve for x
    x = 509,575,557,941,746,368/756,091,521.40
  6. Step 6: Final answer
    x = 673,960,153.66

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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.