Home / 1,345,680,227.80-2,019,423,135.30-472,279,907.80

Finding the Fourth Proportional to 1,345,680,227.80, 2,019,423,135.30 and 472,279,907.80

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Solution

The fourth proportional to 1,345,680,227.80, 2,019,423,135.30 and 472,279,907.80 is: 708,736,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,680,227.80 : 2,019,423,135.30 = 472,279,907.80 : x
  2. Step 2: Convert to fraction form
    1,345,680,227.80/2,019,423,135.30 = 472,279,907.80/x
  3. Step 3: Cross multiply
    1,345,680,227.80x = 2,019,423,135.30 × 472,279,907.80
  4. Step 4: Simplify right side
    1,345,680,227.80x = 953,732,972,148,670,976
  5. Step 5: Solve for x
    x = 953,732,972,148,670,976/1,345,680,227.80
  6. Step 6: Final answer
    x = 708,736,706.13

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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.