Home / 745,061,036.10-1,117,591,554.15-672,501,624.90

Finding the Fourth Proportional to 745,061,036.10, 1,117,591,554.15 and 672,501,624.90

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Solution

The fourth proportional to 745,061,036.10, 1,117,591,554.15 and 672,501,624.90 is: 1,008,752,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,061,036.10 : 1,117,591,554.15 = 672,501,624.90 : x
  2. Step 2: Convert to fraction form
    745,061,036.10/1,117,591,554.15 = 672,501,624.90/x
  3. Step 3: Cross multiply
    745,061,036.10x = 1,117,591,554.15 × 672,501,624.90
  4. Step 4: Simplify right side
    745,061,036.10x = 751,582,136,140,391,424
  5. Step 5: Solve for x
    x = 751,582,136,140,391,424/745,061,036.10
  6. Step 6: Final answer
    x = 1,008,752,437.35

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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.