Home / 1,279,517,500.69-1,919,276,251.07-310,169,116.69

Finding the Fourth Proportional to 1,279,517,500.69, 1,919,276,251.07 and 310,169,116.69

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Solution

The fourth proportional to 1,279,517,500.69, 1,919,276,251.07 and 310,169,116.69 is: 465,253,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,517,500.69 : 1,919,276,251.07 = 310,169,116.69 : x
  2. Step 2: Convert to fraction form
    1,279,517,500.69/1,919,276,251.07 = 310,169,116.69/x
  3. Step 3: Cross multiply
    1,279,517,500.69x = 1,919,276,251.07 × 310,169,116.69
  4. Step 4: Simplify right side
    1,279,517,500.69x = 595,300,219,472,127,488
  5. Step 5: Solve for x
    x = 595,300,219,472,127,488/1,279,517,500.69
  6. Step 6: Final answer
    x = 465,253,675.04

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1.5x scale

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.