Home / 256,719,708,807.38-385,154,092,772.70-103,485,519,108.02

Finding the Fourth Proportional to 256,719,708,807.38, 385,154,092,772.70 and 103,485,519,108.02

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Solution

The fourth proportional to 256,719,708,807.38, 385,154,092,772.70 and 103,485,519,108.02 is: 155,258,322,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,719,708,807.38 : 385,154,092,772.70 = 103,485,519,108.02 : x
  2. Step 2: Convert to fraction form
    256,719,708,807.38/385,154,092,772.70 = 103,485,519,108.02/x
  3. Step 3: Cross multiply
    256,719,708,807.38x = 385,154,092,772.70 × 103,485,519,108.02
  4. Step 4: Simplify right side
    256,719,708,807.38x = 39,857,871,227,161,357,058,048
  5. Step 5: Solve for x
    x = 39,857,871,227,161,357,058,048/256,719,708,807.38
  6. Step 6: Final answer
    x = 155,258,322,052.19

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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.