Home / 2,870,876,123.64-4,306,314,187.89-689,842,259.64

Finding the Fourth Proportional to 2,870,876,123.64, 4,306,314,187.89 and 689,842,259.64

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Solution

The fourth proportional to 2,870,876,123.64, 4,306,314,187.89 and 689,842,259.64 is: 1,034,763,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,876,123.64 : 4,306,314,187.89 = 689,842,259.64 : x
  2. Step 2: Convert to fraction form
    2,870,876,123.64/4,306,314,187.89 = 689,842,259.64/x
  3. Step 3: Cross multiply
    2,870,876,123.64x = 4,306,314,187.89 × 689,842,259.64
  4. Step 4: Simplify right side
    2,870,876,123.64x = 2,970,677,510,093,829,120
  5. Step 5: Solve for x
    x = 2,970,677,510,093,829,120/2,870,876,123.64
  6. Step 6: Final answer
    x = 1,034,763,390.04

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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.