Home / 438,511,806.50-657,850,669.00-176,216,775.91

Finding the Fourth Proportional to 438,511,806.50, 657,850,669.00 and 176,216,775.91

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Solution

The fourth proportional to 438,511,806.50, 657,850,669.00 and 176,216,775.91 is: 264,358,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,511,806.50 : 657,850,669.00 = 176,216,775.91 : x
  2. Step 2: Convert to fraction form
    438,511,806.50/657,850,669.00 = 176,216,775.91/x
  3. Step 3: Cross multiply
    438,511,806.50x = 657,850,669.00 × 176,216,775.91
  4. Step 4: Simplify right side
    438,511,806.50x = 115,924,323,919,331,408
  5. Step 5: Solve for x
    x = 115,924,323,919,331,408/438,511,806.50
  6. Step 6: Final answer
    x = 264,358,501.19

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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.