Home / 1,345,680,271.80-2,019,423,201.30-472,279,951.80

Finding the Fourth Proportional to 1,345,680,271.80, 2,019,423,201.30 and 472,279,951.80

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Solution

The fourth proportional to 1,345,680,271.80, 2,019,423,201.30 and 472,279,951.80 is: 708,736,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,680,271.80 : 2,019,423,201.30 = 472,279,951.80 : x
  2. Step 2: Convert to fraction form
    1,345,680,271.80/2,019,423,201.30 = 472,279,951.80/x
  3. Step 3: Cross multiply
    1,345,680,271.80x = 2,019,423,201.30 × 472,279,951.80
  4. Step 4: Simplify right side
    1,345,680,271.80x = 953,733,092,173,765,760
  5. Step 5: Solve for x
    x = 953,733,092,173,765,760/1,345,680,271.80
  6. Step 6: Final answer
    x = 708,736,772.14

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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.