Home / 653,329,335.18-901,401,067.22-388,799,263.02

Finding the Fourth Proportional to 653,329,335.18, 901,401,067.22 and 388,799,263.02

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Solution

The fourth proportional to 653,329,335.18, 901,401,067.22 and 388,799,263.02 is: 536,427,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,329,335.18 : 901,401,067.22 = 388,799,263.02 : x
  2. Step 2: Convert to fraction form
    653,329,335.18/901,401,067.22 = 388,799,263.02/x
  3. Step 3: Cross multiply
    653,329,335.18x = 901,401,067.22 × 388,799,263.02
  4. Step 4: Simplify right side
    653,329,335.18x = 350,464,070,620,577,472
  5. Step 5: Solve for x
    x = 350,464,070,620,577,472/653,329,335.18
  6. Step 6: Final answer
    x = 536,427,880.62

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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.