Home / 1,305,122,001.30-1,957,683,001.95-753,368,145.30

Finding the Fourth Proportional to 1,305,122,001.30, 1,957,683,001.95 and 753,368,145.30

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Solution

The fourth proportional to 1,305,122,001.30, 1,957,683,001.95 and 753,368,145.30 is: 1,130,052,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,122,001.30 : 1,957,683,001.95 = 753,368,145.30 : x
  2. Step 2: Convert to fraction form
    1,305,122,001.30/1,957,683,001.95 = 753,368,145.30/x
  3. Step 3: Cross multiply
    1,305,122,001.30x = 1,957,683,001.95 × 753,368,145.30
  4. Step 4: Simplify right side
    1,305,122,001.30x = 1,474,856,012,264,407,808
  5. Step 5: Solve for x
    x = 1,474,856,012,264,407,808/1,305,122,001.30
  6. Step 6: Final answer
    x = 1,130,052,217.95

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Double scale
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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.