Home / 578,304,047.20-867,456,070.80-497,682,479.20

Finding the Fourth Proportional to 578,304,047.20, 867,456,070.80 and 497,682,479.20

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Solution

The fourth proportional to 578,304,047.20, 867,456,070.80 and 497,682,479.20 is: 746,523,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,304,047.20 : 867,456,070.80 = 497,682,479.20 : x
  2. Step 2: Convert to fraction form
    578,304,047.20/867,456,070.80 = 497,682,479.20/x
  3. Step 3: Cross multiply
    578,304,047.20x = 867,456,070.80 × 497,682,479.20
  4. Step 4: Simplify right side
    578,304,047.20x = 431,717,687,912,834,688
  5. Step 5: Solve for x
    x = 431,717,687,912,834,688/578,304,047.20
  6. Step 6: Final answer
    x = 746,523,718.80

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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.