Home / 557,041,701.17-768,734,851.46-306,141,540.59

Finding the Fourth Proportional to 557,041,701.17, 768,734,851.46 and 306,141,540.59

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Solution

The fourth proportional to 557,041,701.17, 768,734,851.46 and 306,141,540.59 is: 422,484,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,041,701.17 : 768,734,851.46 = 306,141,540.59 : x
  2. Step 2: Convert to fraction form
    557,041,701.17/768,734,851.46 = 306,141,540.59/x
  3. Step 3: Cross multiply
    557,041,701.17x = 768,734,851.46 × 306,141,540.59
  4. Step 4: Simplify right side
    557,041,701.17x = 235,341,671,731,580,320
  5. Step 5: Solve for x
    x = 235,341,671,731,580,320/557,041,701.17
  6. Step 6: Final answer
    x = 422,484,835.94

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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.