Home / 1,243,391,855.52-1,716,031,224.18-707,673,772.65

Finding the Fourth Proportional to 1,243,391,855.52, 1,716,031,224.18 and 707,673,772.65

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Solution

The fourth proportional to 1,243,391,855.52, 1,716,031,224.18 and 707,673,772.65 is: 976,675,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,391,855.52 : 1,716,031,224.18 = 707,673,772.65 : x
  2. Step 2: Convert to fraction form
    1,243,391,855.52/1,716,031,224.18 = 707,673,772.65/x
  3. Step 3: Cross multiply
    1,243,391,855.52x = 1,716,031,224.18 × 707,673,772.65
  4. Step 4: Simplify right side
    1,243,391,855.52x = 1,214,390,290,400,658,432
  5. Step 5: Solve for x
    x = 1,214,390,290,400,658,432/1,243,391,855.52
  6. Step 6: Final answer
    x = 976,675,442.27

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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.