Home / 2,139,229,095.71-2,952,079,190.02-1,234,954,511.96

Finding the Fourth Proportional to 2,139,229,095.71, 2,952,079,190.02 and 1,234,954,511.96

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Solution

The fourth proportional to 2,139,229,095.71, 2,952,079,190.02 and 1,234,954,511.96 is: 1,704,204,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,229,095.71 : 2,952,079,190.02 = 1,234,954,511.96 : x
  2. Step 2: Convert to fraction form
    2,139,229,095.71/2,952,079,190.02 = 1,234,954,511.96/x
  3. Step 3: Cross multiply
    2,139,229,095.71x = 2,952,079,190.02 × 1,234,954,511.96
  4. Step 4: Simplify right side
    2,139,229,095.71x = 3,645,683,515,378,421,248
  5. Step 5: Solve for x
    x = 3,645,683,515,378,421,248/2,139,229,095.71
  6. Step 6: Final answer
    x = 1,704,204,342.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.