Home / 758,238,051.90-1,137,357,077.85-672,144,609.90

Finding the Fourth Proportional to 758,238,051.90, 1,137,357,077.85 and 672,144,609.90

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Solution

The fourth proportional to 758,238,051.90, 1,137,357,077.85 and 672,144,609.90 is: 1,008,216,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,051.90 : 1,137,357,077.85 = 672,144,609.90 : x
  2. Step 2: Convert to fraction form
    758,238,051.90/1,137,357,077.85 = 672,144,609.90/x
  3. Step 3: Cross multiply
    758,238,051.90x = 1,137,357,077.85 × 672,144,609.90
  4. Step 4: Simplify right side
    758,238,051.90x = 764,468,429,408,492,032
  5. Step 5: Solve for x
    x = 764,468,429,408,492,032/758,238,051.90
  6. Step 6: Final answer
    x = 1,008,216,914.85

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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.