Home / 688,696,016.61-1,033,044,773.22-171,126,457.08

Finding the Fourth Proportional to 688,696,016.61, 1,033,044,773.22 and 171,126,457.08

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Solution

The fourth proportional to 688,696,016.61, 1,033,044,773.22 and 171,126,457.08 is: 256,689,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,696,016.61 : 1,033,044,773.22 = 171,126,457.08 : x
  2. Step 2: Convert to fraction form
    688,696,016.61/1,033,044,773.22 = 171,126,457.08/x
  3. Step 3: Cross multiply
    688,696,016.61x = 1,033,044,773.22 × 171,126,457.08
  4. Step 4: Simplify right side
    688,696,016.61x = 176,781,292,046,150,688
  5. Step 5: Solve for x
    x = 176,781,292,046,150,688/688,696,016.61
  6. Step 6: Final answer
    x = 256,689,871.56

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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.