Home / 458,045,805.20-686,833,354.20-134,887,686.80

Finding the Fourth Proportional to 458,045,805.20, 686,833,354.20 and 134,887,686.80

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Solution

The fourth proportional to 458,045,805.20, 686,833,354.20 and 134,887,686.80 is: 202,262,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,045,805.20 : 686,833,354.20 = 134,887,686.80 : x
  2. Step 2: Convert to fraction form
    458,045,805.20/686,833,354.20 = 134,887,686.80/x
  3. Step 3: Cross multiply
    458,045,805.20x = 686,833,354.20 × 134,887,686.80
  4. Step 4: Simplify right side
    458,045,805.20x = 92,645,362,365,123,072
  5. Step 5: Solve for x
    x = 92,645,362,365,123,072/458,045,805.20
  6. Step 6: Final answer
    x = 202,262,222.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.