Home / 612,712,961-845,428,244.61-365,217,344.36

Finding the Fourth Proportional to 612,712,961, 845,428,244.61 and 365,217,344.36

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Solution

The fourth proportional to 612,712,961, 845,428,244.61 and 365,217,344.36 is: 503,931,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,712,961 : 845,428,244.61 = 365,217,344.36 : x
  2. Step 2: Convert to fraction form
    612,712,961/845,428,244.61 = 365,217,344.36/x
  3. Step 3: Cross multiply
    612,712,961x = 845,428,244.61 × 365,217,344.36
  4. Step 4: Simplify right side
    612,712,961x = 308,765,058,343,400,704
  5. Step 5: Solve for x
    x = 308,765,058,343,400,704/612,712,961
  6. Step 6: Final answer
    x = 503,931,005.21

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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.