Home / 566,196,509.88-780,948,691.56-377,929,881.57

Finding the Fourth Proportional to 566,196,509.88, 780,948,691.56 and 377,929,881.57

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Solution

The fourth proportional to 566,196,509.88, 780,948,691.56 and 377,929,881.57 is: 521,274,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,196,509.88 : 780,948,691.56 = 377,929,881.57 : x
  2. Step 2: Convert to fraction form
    566,196,509.88/780,948,691.56 = 377,929,881.57/x
  3. Step 3: Cross multiply
    566,196,509.88x = 780,948,691.56 × 377,929,881.57
  4. Step 4: Simplify right side
    566,196,509.88x = 295,143,846,513,517,248
  5. Step 5: Solve for x
    x = 295,143,846,513,517,248/566,196,509.88
  6. Step 6: Final answer
    x = 521,274,577.58

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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.