Home / 724,043,981.70-1,086,065,972.55-264,312,087.30

Finding the Fourth Proportional to 724,043,981.70, 1,086,065,972.55 and 264,312,087.30

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Solution

The fourth proportional to 724,043,981.70, 1,086,065,972.55 and 264,312,087.30 is: 396,468,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,043,981.70 : 1,086,065,972.55 = 264,312,087.30 : x
  2. Step 2: Convert to fraction form
    724,043,981.70/1,086,065,972.55 = 264,312,087.30/x
  3. Step 3: Cross multiply
    724,043,981.70x = 1,086,065,972.55 × 264,312,087.30
  4. Step 4: Simplify right side
    724,043,981.70x = 287,060,364,150,195,008
  5. Step 5: Solve for x
    x = 287,060,364,150,195,008/724,043,981.70
  6. Step 6: Final answer
    x = 396,468,130.95

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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.