Home / 831,161,122.68-1,146,502,598.16-548,906,160.72

Finding the Fourth Proportional to 831,161,122.68, 1,146,502,598.16 and 548,906,160.72

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Solution

The fourth proportional to 831,161,122.68, 1,146,502,598.16 and 548,906,160.72 is: 757,160,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,161,122.68 : 1,146,502,598.16 = 548,906,160.72 : x
  2. Step 2: Convert to fraction form
    831,161,122.68/1,146,502,598.16 = 548,906,160.72/x
  3. Step 3: Cross multiply
    831,161,122.68x = 1,146,502,598.16 × 548,906,160.72
  4. Step 4: Simplify right side
    831,161,122.68x = 629,322,339,411,510,656
  5. Step 5: Solve for x
    x = 629,322,339,411,510,656/831,161,122.68
  6. Step 6: Final answer
    x = 757,160,461.72

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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.