Home / 653,329,342.17-901,401,076.89-388,799,270.01

Finding the Fourth Proportional to 653,329,342.17, 901,401,076.89 and 388,799,270.01

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Solution

The fourth proportional to 653,329,342.17, 901,401,076.89 and 388,799,270.01 is: 536,427,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,329,342.17 : 901,401,076.89 = 388,799,270.01 : x
  2. Step 2: Convert to fraction form
    653,329,342.17/901,401,076.89 = 388,799,270.01/x
  3. Step 3: Cross multiply
    653,329,342.17x = 901,401,076.89 × 388,799,270.01
  4. Step 4: Simplify right side
    653,329,342.17x = 350,464,080,681,059,840
  5. Step 5: Solve for x
    x = 350,464,080,681,059,840/653,329,342.17
  6. Step 6: Final answer
    x = 536,427,890.28

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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.