Home / 528,521,691.60-793,065,972.60-221,844,805.20

Finding the Fourth Proportional to 528,521,691.60, 793,065,972.60 and 221,844,805.20

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Solution

The fourth proportional to 528,521,691.60, 793,065,972.60 and 221,844,805.20 is: 332,886,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,521,691.60 : 793,065,972.60 = 221,844,805.20 : x
  2. Step 2: Convert to fraction form
    528,521,691.60/793,065,972.60 = 221,844,805.20/x
  3. Step 3: Cross multiply
    528,521,691.60x = 793,065,972.60 × 221,844,805.20
  4. Step 4: Simplify right side
    528,521,691.60x = 175,937,566,202,195,520
  5. Step 5: Solve for x
    x = 175,937,566,202,195,520/528,521,691.60
  6. Step 6: Final answer
    x = 332,886,178.56

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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.