Home / 578,073,298.24-797,742,028.20-313,755,387.76

Finding the Fourth Proportional to 578,073,298.24, 797,742,028.20 and 313,755,387.76

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Solution

The fourth proportional to 578,073,298.24, 797,742,028.20 and 313,755,387.76 is: 432,982,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,073,298.24 : 797,742,028.20 = 313,755,387.76 : x
  2. Step 2: Convert to fraction form
    578,073,298.24/797,742,028.20 = 313,755,387.76/x
  3. Step 3: Cross multiply
    578,073,298.24x = 797,742,028.20 × 313,755,387.76
  4. Step 4: Simplify right side
    578,073,298.24x = 250,295,859,390,339,872
  5. Step 5: Solve for x
    x = 250,295,859,390,339,872/578,073,298.24
  6. Step 6: Final answer
    x = 432,982,910.91

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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.