Home / 910,378,432.20-1,365,567,648.30-680,795,920.20

Finding the Fourth Proportional to 910,378,432.20, 1,365,567,648.30 and 680,795,920.20

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Solution

The fourth proportional to 910,378,432.20, 1,365,567,648.30 and 680,795,920.20 is: 1,021,193,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,378,432.20 : 1,365,567,648.30 = 680,795,920.20 : x
  2. Step 2: Convert to fraction form
    910,378,432.20/1,365,567,648.30 = 680,795,920.20/x
  3. Step 3: Cross multiply
    910,378,432.20x = 1,365,567,648.30 × 680,795,920.20
  4. Step 4: Simplify right side
    910,378,432.20x = 929,672,883,719,748,480
  5. Step 5: Solve for x
    x = 929,672,883,719,748,480/910,378,432.20
  6. Step 6: Final answer
    x = 1,021,193,880.30

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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.