Home / 898,454,546.90-1,346,620,137.15-380,883,986.90

Finding the Fourth Proportional to 898,454,546.90, 1,346,620,137.15 and 380,883,986.90

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Solution

The fourth proportional to 898,454,546.90, 1,346,620,137.15 and 380,883,986.90 is: 570,875,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,454,546.90 : 1,346,620,137.15 = 380,883,986.90 : x
  2. Step 2: Convert to fraction form
    898,454,546.90/1,346,620,137.15 = 380,883,986.90/x
  3. Step 3: Cross multiply
    898,454,546.90x = 1,346,620,137.15 × 380,883,986.90
  4. Step 4: Simplify right side
    898,454,546.90x = 512,906,046,677,516,800
  5. Step 5: Solve for x
    x = 512,906,046,677,516,800/898,454,546.90
  6. Step 6: Final answer
    x = 570,875,898.45

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Double scale
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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.