Home / 469,371,014.70-704,151,000.45-393,221,424.30

Finding the Fourth Proportional to 469,371,014.70, 704,151,000.45 and 393,221,424.30

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Solution

The fourth proportional to 469,371,014.70, 704,151,000.45 and 393,221,424.30 is: 589,911,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,371,014.70 : 704,151,000.45 = 393,221,424.30 : x
  2. Step 2: Convert to fraction form
    469,371,014.70/704,151,000.45 = 393,221,424.30/x
  3. Step 3: Cross multiply
    469,371,014.70x = 704,151,000.45 × 393,221,424.30
  4. Step 4: Simplify right side
    469,371,014.70x = 276,887,259,319,218,976
  5. Step 5: Solve for x
    x = 276,887,259,319,218,976/469,371,014.70
  6. Step 6: Final answer
    x = 589,911,286.91

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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.