Home / 728,136,010.40-1,092,204,015.60-243,461,818.40

Finding the Fourth Proportional to 728,136,010.40, 1,092,204,015.60 and 243,461,818.40

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Solution

The fourth proportional to 728,136,010.40, 1,092,204,015.60 and 243,461,818.40 is: 365,192,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,136,010.40 : 1,092,204,015.60 = 243,461,818.40 : x
  2. Step 2: Convert to fraction form
    728,136,010.40/1,092,204,015.60 = 243,461,818.40/x
  3. Step 3: Cross multiply
    728,136,010.40x = 1,092,204,015.60 × 243,461,818.40
  4. Step 4: Simplify right side
    728,136,010.40x = 265,909,975,701,757,952
  5. Step 5: Solve for x
    x = 265,909,975,701,757,952/728,136,010.40
  6. Step 6: Final answer
    x = 365,192,727.60

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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.