Home / 1,239,471,210.20-1,854,902,143.20-852,050,721.20

Finding the Fourth Proportional to 1,239,471,210.20, 1,854,902,143.20 and 852,050,721.20

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Solution

The fourth proportional to 1,239,471,210.20, 1,854,902,143.20 and 852,050,721.20 is: 1,275,116,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,471,210.20 : 1,854,902,143.20 = 852,050,721.20 : x
  2. Step 2: Convert to fraction form
    1,239,471,210.20/1,854,902,143.20 = 852,050,721.20/x
  3. Step 3: Cross multiply
    1,239,471,210.20x = 1,854,902,143.20 × 852,050,721.20
  4. Step 4: Simplify right side
    1,239,471,210.20x = 1,580,470,708,868,985,856
  5. Step 5: Solve for x
    x = 1,580,470,708,868,985,856/1,239,471,210.20
  6. Step 6: Final answer
    x = 1,275,116,917.49

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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.