Home / 554,578,815.54-765,342,680.19-307,060,191.66

Finding the Fourth Proportional to 554,578,815.54, 765,342,680.19 and 307,060,191.66

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Solution

The fourth proportional to 554,578,815.54, 765,342,680.19 and 307,060,191.66 is: 423,756,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,815.54 : 765,342,680.19 = 307,060,191.66 : x
  2. Step 2: Convert to fraction form
    554,578,815.54/765,342,680.19 = 307,060,191.66/x
  3. Step 3: Cross multiply
    554,578,815.54x = 765,342,680.19 × 307,060,191.66
  4. Step 4: Simplify right side
    554,578,815.54x = 235,006,270,064,719,520
  5. Step 5: Solve for x
    x = 235,006,270,064,719,520/554,578,815.54
  6. Step 6: Final answer
    x = 423,756,305.65

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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.