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Finding the Fourth Proportional to 228,017,649.93, 314,655,926.72 and 123,593,479.44

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Solution

The fourth proportional to 228,017,649.93, 314,655,926.72 and 123,593,479.44 is: 170,554,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,017,649.93 : 314,655,926.72 = 123,593,479.44 : x
  2. Step 2: Convert to fraction form
    228,017,649.93/314,655,926.72 = 123,593,479.44/x
  3. Step 3: Cross multiply
    228,017,649.93x = 314,655,926.72 × 123,593,479.44
  4. Step 4: Simplify right side
    228,017,649.93x = 38,889,420,809,124,496
  5. Step 5: Solve for x
    x = 38,889,420,809,124,496/228,017,649.93
  6. Step 6: Final answer
    x = 170,554,432.17

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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.