Home / 530,436,637.72-731,969,577.91-292,268,494.02

Finding the Fourth Proportional to 530,436,637.72, 731,969,577.91 and 292,268,494.02

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Solution

The fourth proportional to 530,436,637.72, 731,969,577.91 and 292,268,494.02 is: 403,312,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,436,637.72 : 731,969,577.91 = 292,268,494.02 : x
  2. Step 2: Convert to fraction form
    530,436,637.72/731,969,577.91 = 292,268,494.02/x
  3. Step 3: Cross multiply
    530,436,637.72x = 731,969,577.91 × 292,268,494.02
  4. Step 4: Simplify right side
    530,436,637.72x = 213,931,646,201,831,008
  5. Step 5: Solve for x
    x = 213,931,646,201,831,008/530,436,637.72
  6. Step 6: Final answer
    x = 403,312,348.72

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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.