Home / 1,212,772,364.10-1,819,158,546.15-486,282,456.90

Finding the Fourth Proportional to 1,212,772,364.10, 1,819,158,546.15 and 486,282,456.90

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Solution

The fourth proportional to 1,212,772,364.10, 1,819,158,546.15 and 486,282,456.90 is: 729,423,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,772,364.10 : 1,819,158,546.15 = 486,282,456.90 : x
  2. Step 2: Convert to fraction form
    1,212,772,364.10/1,819,158,546.15 = 486,282,456.90/x
  3. Step 3: Cross multiply
    1,212,772,364.10x = 1,819,158,546.15 × 486,282,456.90
  4. Step 4: Simplify right side
    1,212,772,364.10x = 884,624,887,312,454,016
  5. Step 5: Solve for x
    x = 884,624,887,312,454,016/1,212,772,364.10
  6. Step 6: Final answer
    x = 729,423,685.35

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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.