Home / 891,096,901.80-1,336,645,352.70-814,506,412.20

Finding the Fourth Proportional to 891,096,901.80, 1,336,645,352.70 and 814,506,412.20

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Solution

The fourth proportional to 891,096,901.80, 1,336,645,352.70 and 814,506,412.20 is: 1,221,759,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,096,901.80 : 1,336,645,352.70 = 814,506,412.20 : x
  2. Step 2: Convert to fraction form
    891,096,901.80/1,336,645,352.70 = 814,506,412.20/x
  3. Step 3: Cross multiply
    891,096,901.80x = 1,336,645,352.70 × 814,506,412.20
  4. Step 4: Simplify right side
    891,096,901.80x = 1,088,706,210,611,480,704
  5. Step 5: Solve for x
    x = 1,088,706,210,611,480,704/891,096,901.80
  6. Step 6: Final answer
    x = 1,221,759,618.30

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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.