Home / 517,766,515.20-714,512,962.08-282,817,085.76

Finding the Fourth Proportional to 517,766,515.20, 714,512,962.08 and 282,817,085.76

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Solution

The fourth proportional to 517,766,515.20, 714,512,962.08 and 282,817,085.76 is: 390,284,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,766,515.20 : 714,512,962.08 = 282,817,085.76 : x
  2. Step 2: Convert to fraction form
    517,766,515.20/714,512,962.08 = 282,817,085.76/x
  3. Step 3: Cross multiply
    517,766,515.20x = 714,512,962.08 × 282,817,085.76
  4. Step 4: Simplify right side
    517,766,515.20x = 202,076,473,673,211,008
  5. Step 5: Solve for x
    x = 202,076,473,673,211,008/517,766,515.20
  6. Step 6: Final answer
    x = 390,284,940.68

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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.