Home / 415,073,656.45-572,805,457.26-236,454,897.54

Finding the Fourth Proportional to 415,073,656.45, 572,805,457.26 and 236,454,897.54

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Solution

The fourth proportional to 415,073,656.45, 572,805,457.26 and 236,454,897.54 is: 326,309,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,073,656.45 : 572,805,457.26 = 236,454,897.54 : x
  2. Step 2: Convert to fraction form
    415,073,656.45/572,805,457.26 = 236,454,897.54/x
  3. Step 3: Cross multiply
    415,073,656.45x = 572,805,457.26 × 236,454,897.54
  4. Step 4: Simplify right side
    415,073,656.45x = 135,442,655,705,583,872
  5. Step 5: Solve for x
    x = 135,442,655,705,583,872/415,073,656.45
  6. Step 6: Final answer
    x = 326,309,929.82

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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.