Home / 866,061,602.20-1,299,092,403.30-840,552,434.20

Finding the Fourth Proportional to 866,061,602.20, 1,299,092,403.30 and 840,552,434.20

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Solution

The fourth proportional to 866,061,602.20, 1,299,092,403.30 and 840,552,434.20 is: 1,260,828,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,061,602.20 : 1,299,092,403.30 = 840,552,434.20 : x
  2. Step 2: Convert to fraction form
    866,061,602.20/1,299,092,403.30 = 840,552,434.20/x
  3. Step 3: Cross multiply
    866,061,602.20x = 1,299,092,403.30 × 840,552,434.20
  4. Step 4: Simplify right side
    866,061,602.20x = 1,091,955,281,844,543,104
  5. Step 5: Solve for x
    x = 1,091,955,281,844,543,104/866,061,602.20
  6. Step 6: Final answer
    x = 1,260,828,651.30

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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.