Home / 2,109,888,002.55-3,164,832,003.83-1,077,931,932.15

Finding the Fourth Proportional to 2,109,888,002.55, 3,164,832,003.83 and 1,077,931,932.15

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Solution

The fourth proportional to 2,109,888,002.55, 3,164,832,003.83 and 1,077,931,932.15 is: 1,616,897,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,888,002.55 : 3,164,832,003.83 = 1,077,931,932.15 : x
  2. Step 2: Convert to fraction form
    2,109,888,002.55/3,164,832,003.83 = 1,077,931,932.15/x
  3. Step 3: Cross multiply
    2,109,888,002.55x = 3,164,832,003.83 × 1,077,931,932.15
  4. Step 4: Simplify right side
    2,109,888,002.55x = 3,411,473,476,813,238,784
  5. Step 5: Solve for x
    x = 3,411,473,476,813,238,784/2,109,888,002.55
  6. Step 6: Final answer
    x = 1,616,897,898.23

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Double scale
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Similar ratio
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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.