Home / 828,144,064.80-1,242,216,097.20-822,769,293.60

Finding the Fourth Proportional to 828,144,064.80, 1,242,216,097.20 and 822,769,293.60

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Solution

The fourth proportional to 828,144,064.80, 1,242,216,097.20 and 822,769,293.60 is: 1,234,153,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,144,064.80 : 1,242,216,097.20 = 822,769,293.60 : x
  2. Step 2: Convert to fraction form
    828,144,064.80/1,242,216,097.20 = 822,769,293.60/x
  3. Step 3: Cross multiply
    828,144,064.80x = 1,242,216,097.20 × 822,769,293.60
  4. Step 4: Simplify right side
    828,144,064.80x = 1,022,057,260,791,793,024
  5. Step 5: Solve for x
    x = 1,022,057,260,791,793,024/828,144,064.80
  6. Step 6: Final answer
    x = 1,234,153,940.40

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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.