Home / 552,954,588.30-829,426,201.56-319,636,841.46

Finding the Fourth Proportional to 552,954,588.30, 829,426,201.56 and 319,636,841.46

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Solution

The fourth proportional to 552,954,588.30, 829,426,201.56 and 319,636,841.46 is: 479,451,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,954,588.30 : 829,426,201.56 = 319,636,841.46 : x
  2. Step 2: Convert to fraction form
    552,954,588.30/829,426,201.56 = 319,636,841.46/x
  3. Step 3: Cross multiply
    552,954,588.30x = 829,426,201.56 × 319,636,841.46
  4. Step 4: Simplify right side
    552,954,588.30x = 265,115,171,290,803,680
  5. Step 5: Solve for x
    x = 265,115,171,290,803,680/552,954,588.30
  6. Step 6: Final answer
    x = 479,451,978.34

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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.