Home / 819,069,809.10-1,228,604,713.65-301,871,427.90

Finding the Fourth Proportional to 819,069,809.10, 1,228,604,713.65 and 301,871,427.90

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Solution

The fourth proportional to 819,069,809.10, 1,228,604,713.65 and 301,871,427.90 is: 452,807,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,069,809.10 : 1,228,604,713.65 = 301,871,427.90 : x
  2. Step 2: Convert to fraction form
    819,069,809.10/1,228,604,713.65 = 301,871,427.90/x
  3. Step 3: Cross multiply
    819,069,809.10x = 1,228,604,713.65 × 301,871,427.90
  4. Step 4: Simplify right side
    819,069,809.10x = 370,880,659,234,196,096
  5. Step 5: Solve for x
    x = 370,880,659,234,196,096/819,069,809.10
  6. Step 6: Final answer
    x = 452,807,141.85

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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.