Home / 2,910,719,641.20-4,366,079,461.80-840,508,940.40

Finding the Fourth Proportional to 2,910,719,641.20, 4,366,079,461.80 and 840,508,940.40

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Solution

The fourth proportional to 2,910,719,641.20, 4,366,079,461.80 and 840,508,940.40 is: 1,260,763,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,719,641.20 : 4,366,079,461.80 = 840,508,940.40 : x
  2. Step 2: Convert to fraction form
    2,910,719,641.20/4,366,079,461.80 = 840,508,940.40/x
  3. Step 3: Cross multiply
    2,910,719,641.20x = 4,366,079,461.80 × 840,508,940.40
  4. Step 4: Simplify right side
    2,910,719,641.20x = 3,669,728,822,139,720,192
  5. Step 5: Solve for x
    x = 3,669,728,822,139,720,192/2,910,719,641.20
  6. Step 6: Final answer
    x = 1,260,763,410.60

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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.