Home / 758,238,046.30-1,137,357,069.45-628,991,595.10

Finding the Fourth Proportional to 758,238,046.30, 1,137,357,069.45 and 628,991,595.10

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Solution

The fourth proportional to 758,238,046.30, 1,137,357,069.45 and 628,991,595.10 is: 943,487,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,046.30 : 1,137,357,069.45 = 628,991,595.10 : x
  2. Step 2: Convert to fraction form
    758,238,046.30/1,137,357,069.45 = 628,991,595.10/x
  3. Step 3: Cross multiply
    758,238,046.30x = 1,137,357,069.45 × 628,991,595.10
  4. Step 4: Simplify right side
    758,238,046.30x = 715,388,037,311,617,024
  5. Step 5: Solve for x
    x = 715,388,037,311,617,024/758,238,046.30
  6. Step 6: Final answer
    x = 943,487,392.65

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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.