Home / 554,578,335.19-765,342,016.14-307,059,711.31

Finding the Fourth Proportional to 554,578,335.19, 765,342,016.14 and 307,059,711.31

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Solution

The fourth proportional to 554,578,335.19, 765,342,016.14 and 307,059,711.31 is: 423,755,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,335.19 : 765,342,016.14 = 307,059,711.31 : x
  2. Step 2: Convert to fraction form
    554,578,335.19/765,342,016.14 = 307,059,711.31/x
  3. Step 3: Cross multiply
    554,578,335.19x = 765,342,016.14 × 307,059,711.31
  4. Step 4: Simplify right side
    554,578,335.19x = 235,005,698,529,361,760
  5. Step 5: Solve for x
    x = 235,005,698,529,361,760/554,578,335.19
  6. Step 6: Final answer
    x = 423,755,642.11

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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.