Home / 828,899,632.78-1,144,397,727.46-527,654,917.60

Finding the Fourth Proportional to 828,899,632.78, 1,144,397,727.46 and 527,654,917.60

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Solution

The fourth proportional to 828,899,632.78, 1,144,397,727.46 and 527,654,917.60 is: 728,492,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,632.78 : 1,144,397,727.46 = 527,654,917.60 : x
  2. Step 2: Convert to fraction form
    828,899,632.78/1,144,397,727.46 = 527,654,917.60/x
  3. Step 3: Cross multiply
    828,899,632.78x = 1,144,397,727.46 × 527,654,917.60
  4. Step 4: Simplify right side
    828,899,632.78x = 603,847,088,584,533,632
  5. Step 5: Solve for x
    x = 603,847,088,584,533,632/828,899,632.78
  6. Step 6: Final answer
    x = 728,492,406.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.