Home / 527,982,662.06-728,605,113.63-293,019,676.46

Finding the Fourth Proportional to 527,982,662.06, 728,605,113.63 and 293,019,676.46

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Solution

The fourth proportional to 527,982,662.06, 728,605,113.63 and 293,019,676.46 is: 404,361,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,982,662.06 : 728,605,113.63 = 293,019,676.46 : x
  2. Step 2: Convert to fraction form
    527,982,662.06/728,605,113.63 = 293,019,676.46/x
  3. Step 3: Cross multiply
    527,982,662.06x = 728,605,113.63 × 293,019,676.46
  4. Step 4: Simplify right side
    527,982,662.06x = 213,495,634,662,964,128
  5. Step 5: Solve for x
    x = 213,495,634,662,964,128/527,982,662.06
  6. Step 6: Final answer
    x = 404,361,070.93

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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.