Home / 898,688,206.80-1,348,032,310.20-511,704,680.40

Finding the Fourth Proportional to 898,688,206.80, 1,348,032,310.20 and 511,704,680.40

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Solution

The fourth proportional to 898,688,206.80, 1,348,032,310.20 and 511,704,680.40 is: 767,557,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,688,206.80 : 1,348,032,310.20 = 511,704,680.40 : x
  2. Step 2: Convert to fraction form
    898,688,206.80/1,348,032,310.20 = 511,704,680.40/x
  3. Step 3: Cross multiply
    898,688,206.80x = 1,348,032,310.20 × 511,704,680.40
  4. Step 4: Simplify right side
    898,688,206.80x = 689,794,442,459,764,608
  5. Step 5: Solve for x
    x = 689,794,442,459,764,608/898,688,206.80
  6. Step 6: Final answer
    x = 767,557,020.60

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Similar ratio
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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.