Home / 866,205,387.60-1,299,308,081.40-662,132,043.60

Finding the Fourth Proportional to 866,205,387.60, 1,299,308,081.40 and 662,132,043.60

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Solution

The fourth proportional to 866,205,387.60, 1,299,308,081.40 and 662,132,043.60 is: 993,198,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,205,387.60 : 1,299,308,081.40 = 662,132,043.60 : x
  2. Step 2: Convert to fraction form
    866,205,387.60/1,299,308,081.40 = 662,132,043.60/x
  3. Step 3: Cross multiply
    866,205,387.60x = 1,299,308,081.40 × 662,132,043.60
  4. Step 4: Simplify right side
    866,205,387.60x = 860,313,515,203,377,280
  5. Step 5: Solve for x
    x = 860,313,515,203,377,280/866,205,387.60
  6. Step 6: Final answer
    x = 993,198,065.40

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1.5x scale

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.