Home / 8,168,812,759.80-12,253,219,139.70-7,006,551,292.80

Finding the Fourth Proportional to 8,168,812,759.80, 12,253,219,139.70 and 7,006,551,292.80

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Solution

The fourth proportional to 8,168,812,759.80, 12,253,219,139.70 and 7,006,551,292.80 is: 10,509,826,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,812,759.80 : 12,253,219,139.70 = 7,006,551,292.80 : x
  2. Step 2: Convert to fraction form
    8,168,812,759.80/12,253,219,139.70 = 7,006,551,292.80/x
  3. Step 3: Cross multiply
    8,168,812,759.80x = 12,253,219,139.70 × 7,006,551,292.80
  4. Step 4: Simplify right side
    8,168,812,759.80x = 85,852,808,404,226,752,512
  5. Step 5: Solve for x
    x = 85,852,808,404,226,752,512/8,168,812,759.80
  6. Step 6: Final answer
    x = 10,509,826,939.20

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Double scale
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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.