Home / 758,238,049.40-1,137,357,074.10-672,144,607.40

Finding the Fourth Proportional to 758,238,049.40, 1,137,357,074.10 and 672,144,607.40

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Solution

The fourth proportional to 758,238,049.40, 1,137,357,074.10 and 672,144,607.40 is: 1,008,216,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,049.40 : 1,137,357,074.10 = 672,144,607.40 : x
  2. Step 2: Convert to fraction form
    758,238,049.40/1,137,357,074.10 = 672,144,607.40/x
  3. Step 3: Cross multiply
    758,238,049.40x = 1,137,357,074.10 × 672,144,607.40
  4. Step 4: Simplify right side
    758,238,049.40x = 764,468,424,044,557,056
  5. Step 5: Solve for x
    x = 764,468,424,044,557,056/758,238,049.40
  6. Step 6: Final answer
    x = 1,008,216,911.10

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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.