Home / 891,096,912.30-1,336,645,368.45-814,506,422.70

Finding the Fourth Proportional to 891,096,912.30, 1,336,645,368.45 and 814,506,422.70

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Solution

The fourth proportional to 891,096,912.30, 1,336,645,368.45 and 814,506,422.70 is: 1,221,759,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,096,912.30 : 1,336,645,368.45 = 814,506,422.70 : x
  2. Step 2: Convert to fraction form
    891,096,912.30/1,336,645,368.45 = 814,506,422.70/x
  3. Step 3: Cross multiply
    891,096,912.30x = 1,336,645,368.45 × 814,506,422.70
  4. Step 4: Simplify right side
    891,096,912.30x = 1,088,706,237,474,733,056
  5. Step 5: Solve for x
    x = 1,088,706,237,474,733,056/891,096,912.30
  6. Step 6: Final answer
    x = 1,221,759,634.05

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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.