Home / 654,955,198.11-903,917,430.59-372,766,252.77

Finding the Fourth Proportional to 654,955,198.11, 903,917,430.59 and 372,766,252.77

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Solution

The fourth proportional to 654,955,198.11, 903,917,430.59 and 372,766,252.77 is: 514,462,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,955,198.11 : 903,917,430.59 = 372,766,252.77 : x
  2. Step 2: Convert to fraction form
    654,955,198.11/903,917,430.59 = 372,766,252.77/x
  3. Step 3: Cross multiply
    654,955,198.11x = 903,917,430.59 × 372,766,252.77
  4. Step 4: Simplify right side
    654,955,198.11x = 336,949,913,412,657,024
  5. Step 5: Solve for x
    x = 336,949,913,412,657,024/654,955,198.11
  6. Step 6: Final answer
    x = 514,462,537.87

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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.