Home / 839,815,411.80-1,259,723,117.70-801,551,659.80

Finding the Fourth Proportional to 839,815,411.80, 1,259,723,117.70 and 801,551,659.80

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Solution

The fourth proportional to 839,815,411.80, 1,259,723,117.70 and 801,551,659.80 is: 1,202,327,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,815,411.80 : 1,259,723,117.70 = 801,551,659.80 : x
  2. Step 2: Convert to fraction form
    839,815,411.80/1,259,723,117.70 = 801,551,659.80/x
  3. Step 3: Cross multiply
    839,815,411.80x = 1,259,723,117.70 × 801,551,659.80
  4. Step 4: Simplify right side
    839,815,411.80x = 1,009,733,155,880,865,792
  5. Step 5: Solve for x
    x = 1,009,733,155,880,865,792/839,815,411.80
  6. Step 6: Final answer
    x = 1,202,327,489.70

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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.