Home / 475,823,913.26-656,638,889.85-266,966,419.28

Finding the Fourth Proportional to 475,823,913.26, 656,638,889.85 and 266,966,419.28

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Solution

The fourth proportional to 475,823,913.26, 656,638,889.85 and 266,966,419.28 is: 368,414,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,823,913.26 : 656,638,889.85 = 266,966,419.28 : x
  2. Step 2: Convert to fraction form
    475,823,913.26/656,638,889.85 = 266,966,419.28/x
  3. Step 3: Cross multiply
    475,823,913.26x = 656,638,889.85 × 266,966,419.28
  4. Step 4: Simplify right side
    475,823,913.26x = 175,300,533,179,965,664
  5. Step 5: Solve for x
    x = 175,300,533,179,965,664/475,823,913.26
  6. Step 6: Final answer
    x = 368,414,718.76

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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.