Home / 527,563,628.32-728,124,986.64-292,689,959.68

Finding the Fourth Proportional to 527,563,628.32, 728,124,986.64 and 292,689,959.68

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Solution

The fourth proportional to 527,563,628.32, 728,124,986.64 and 292,689,959.68 is: 403,960,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,563,628.32 : 728,124,986.64 = 292,689,959.68 : x
  2. Step 2: Convert to fraction form
    527,563,628.32/728,124,986.64 = 292,689,959.68/x
  3. Step 3: Cross multiply
    527,563,628.32x = 728,124,986.64 × 292,689,959.68
  4. Step 4: Simplify right side
    527,563,628.32x = 213,114,872,981,662,144
  5. Step 5: Solve for x
    x = 213,114,872,981,662,144/527,563,628.32
  6. Step 6: Final answer
    x = 403,960,511.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.