Home / 1,264,837,098,217.90-1,745,475,195,540.80-723,513,819,962.72

Finding the Fourth Proportional to 1,264,837,098,217.90, 1,745,475,195,540.80 and 723,513,819,962.72

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Solution

The fourth proportional to 1,264,837,098,217.90, 1,745,475,195,540.80 and 723,513,819,962.72 is: 998,449,071,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,837,098,217.90 : 1,745,475,195,540.80 = 723,513,819,962.72 : x
  2. Step 2: Convert to fraction form
    1,264,837,098,217.90/1,745,475,195,540.80 = 723,513,819,962.72/x
  3. Step 3: Cross multiply
    1,264,837,098,217.90x = 1,745,475,195,540.80 × 723,513,819,962.72
  4. Step 4: Simplify right side
    1,264,837,098,217.90x = 1,262,875,426,375,899,868,561,408
  5. Step 5: Solve for x
    x = 1,262,875,426,375,899,868,561,408/1,264,837,098,217.90
  6. Step 6: Final answer
    x = 998,449,071,548.61

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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.