Home / 758,238,052.90-1,137,357,079.35-672,144,610.90

Finding the Fourth Proportional to 758,238,052.90, 1,137,357,079.35 and 672,144,610.90

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Solution

The fourth proportional to 758,238,052.90, 1,137,357,079.35 and 672,144,610.90 is: 1,008,216,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,052.90 : 1,137,357,079.35 = 672,144,610.90 : x
  2. Step 2: Convert to fraction form
    758,238,052.90/1,137,357,079.35 = 672,144,610.90/x
  3. Step 3: Cross multiply
    758,238,052.90x = 1,137,357,079.35 × 672,144,610.90
  4. Step 4: Simplify right side
    758,238,052.90x = 764,468,431,554,066,048
  5. Step 5: Solve for x
    x = 764,468,431,554,066,048/758,238,052.90
  6. Step 6: Final answer
    x = 1,008,216,916.35

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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.