Home / 1,312,091,352-1,810,723,857.12-725,418,279.36

Finding the Fourth Proportional to 1,312,091,352, 1,810,723,857.12 and 725,418,279.36

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Solution

The fourth proportional to 1,312,091,352, 1,810,723,857.12 and 725,418,279.36 is: 1,001,098,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,091,352 : 1,810,723,857.12 = 725,418,279.36 : x
  2. Step 2: Convert to fraction form
    1,312,091,352/1,810,723,857.12 = 725,418,279.36/x
  3. Step 3: Cross multiply
    1,312,091,352x = 1,810,723,857.12 × 725,418,279.36
  4. Step 4: Simplify right side
    1,312,091,352x = 1,313,532,184,828,092,928
  5. Step 5: Solve for x
    x = 1,313,532,184,828,092,928/1,312,091,352
  6. Step 6: Final answer
    x = 1,001,098,119.29

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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.