Home / 1,871,926,344.30-2,807,889,516.45-1,327,730,760.30

Finding the Fourth Proportional to 1,871,926,344.30, 2,807,889,516.45 and 1,327,730,760.30

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Solution

The fourth proportional to 1,871,926,344.30, 2,807,889,516.45 and 1,327,730,760.30 is: 1,991,596,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,926,344.30 : 2,807,889,516.45 = 1,327,730,760.30 : x
  2. Step 2: Convert to fraction form
    1,871,926,344.30/2,807,889,516.45 = 1,327,730,760.30/x
  3. Step 3: Cross multiply
    1,871,926,344.30x = 2,807,889,516.45 × 1,327,730,760.30
  4. Step 4: Simplify right side
    1,871,926,344.30x = 3,728,121,282,514,557,440
  5. Step 5: Solve for x
    x = 3,728,121,282,514,557,440/1,871,926,344.30
  6. Step 6: Final answer
    x = 1,991,596,140.45

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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.