Home / 530,436,640.71-731,969,582.06-292,268,497.02

Finding the Fourth Proportional to 530,436,640.71, 731,969,582.06 and 292,268,497.02

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Solution

The fourth proportional to 530,436,640.71, 731,969,582.06 and 292,268,497.02 is: 403,312,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,436,640.71 : 731,969,582.06 = 292,268,497.02 : x
  2. Step 2: Convert to fraction form
    530,436,640.71/731,969,582.06 = 292,268,497.02/x
  3. Step 3: Cross multiply
    530,436,640.71x = 731,969,582.06 × 292,268,497.02
  4. Step 4: Simplify right side
    530,436,640.71x = 213,931,649,611,572,384
  5. Step 5: Solve for x
    x = 213,931,649,611,572,384/530,436,640.71
  6. Step 6: Final answer
    x = 403,312,352.87

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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.