Home / 688,696,016.13-1,033,044,772.47-171,126,456.58

Finding the Fourth Proportional to 688,696,016.13, 1,033,044,772.47 and 171,126,456.58

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Solution

The fourth proportional to 688,696,016.13, 1,033,044,772.47 and 171,126,456.58 is: 256,689,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,696,016.13 : 1,033,044,772.47 = 171,126,456.58 : x
  2. Step 2: Convert to fraction form
    688,696,016.13/1,033,044,772.47 = 171,126,456.58/x
  3. Step 3: Cross multiply
    688,696,016.13x = 1,033,044,772.47 × 171,126,456.58
  4. Step 4: Simplify right side
    688,696,016.13x = 176,781,291,401,283,456
  5. Step 5: Solve for x
    x = 176,781,291,401,283,456/688,696,016.13
  6. Step 6: Final answer
    x = 256,689,870.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.