Home / 866,205,363.60-1,299,308,045.40-662,132,019.60

Finding the Fourth Proportional to 866,205,363.60, 1,299,308,045.40 and 662,132,019.60

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Solution

The fourth proportional to 866,205,363.60, 1,299,308,045.40 and 662,132,019.60 is: 993,198,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,205,363.60 : 1,299,308,045.40 = 662,132,019.60 : x
  2. Step 2: Convert to fraction form
    866,205,363.60/1,299,308,045.40 = 662,132,019.60/x
  3. Step 3: Cross multiply
    866,205,363.60x = 1,299,308,045.40 × 662,132,019.60
  4. Step 4: Simplify right side
    866,205,363.60x = 860,313,460,183,230,592
  5. Step 5: Solve for x
    x = 860,313,460,183,230,592/866,205,363.60
  6. Step 6: Final answer
    x = 993,198,029.40

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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.