Home / 554,578,815.47-765,342,680.10-307,060,191.59

Finding the Fourth Proportional to 554,578,815.47, 765,342,680.10 and 307,060,191.59

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Solution

The fourth proportional to 554,578,815.47, 765,342,680.10 and 307,060,191.59 is: 423,756,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,815.47 : 765,342,680.10 = 307,060,191.59 : x
  2. Step 2: Convert to fraction form
    554,578,815.47/765,342,680.10 = 307,060,191.59/x
  3. Step 3: Cross multiply
    554,578,815.47x = 765,342,680.10 × 307,060,191.59
  4. Step 4: Simplify right side
    554,578,815.47x = 235,006,269,983,510,080
  5. Step 5: Solve for x
    x = 235,006,269,983,510,080/554,578,815.47
  6. Step 6: Final answer
    x = 423,756,305.56

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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.