Home / 1,243,391,856.52-1,716,031,225.56-707,673,773.65

Finding the Fourth Proportional to 1,243,391,856.52, 1,716,031,225.56 and 707,673,773.65

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Solution

The fourth proportional to 1,243,391,856.52, 1,716,031,225.56 and 707,673,773.65 is: 976,675,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,391,856.52 : 1,716,031,225.56 = 707,673,773.65 : x
  2. Step 2: Convert to fraction form
    1,243,391,856.52/1,716,031,225.56 = 707,673,773.65/x
  3. Step 3: Cross multiply
    1,243,391,856.52x = 1,716,031,225.56 × 707,673,773.65
  4. Step 4: Simplify right side
    1,243,391,856.52x = 1,214,390,293,093,279,488
  5. Step 5: Solve for x
    x = 1,214,390,293,093,279,488/1,243,391,856.52
  6. Step 6: Final answer
    x = 976,675,443.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.