Home / 729,843,165.84-1,006,931,163.92-553,447,405.20

Finding the Fourth Proportional to 729,843,165.84, 1,006,931,163.92 and 553,447,405.20

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Solution

The fourth proportional to 729,843,165.84, 1,006,931,163.92 and 553,447,405.20 is: 763,566,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,843,165.84 : 1,006,931,163.92 = 553,447,405.20 : x
  2. Step 2: Convert to fraction form
    729,843,165.84/1,006,931,163.92 = 553,447,405.20/x
  3. Step 3: Cross multiply
    729,843,165.84x = 1,006,931,163.92 × 553,447,405.20
  4. Step 4: Simplify right side
    729,843,165.84x = 557,283,439,886,539,904
  5. Step 5: Solve for x
    x = 557,283,439,886,539,904/729,843,165.84
  6. Step 6: Final answer
    x = 763,566,017.97

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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.