Home / 827,455,319.40-1,241,182,979.10-366,904,612.20

Finding the Fourth Proportional to 827,455,319.40, 1,241,182,979.10 and 366,904,612.20

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Solution

The fourth proportional to 827,455,319.40, 1,241,182,979.10 and 366,904,612.20 is: 550,356,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,455,319.40 : 1,241,182,979.10 = 366,904,612.20 : x
  2. Step 2: Convert to fraction form
    827,455,319.40/1,241,182,979.10 = 366,904,612.20/x
  3. Step 3: Cross multiply
    827,455,319.40x = 1,241,182,979.10 × 366,904,612.20
  4. Step 4: Simplify right side
    827,455,319.40x = 455,395,759,615,926,144
  5. Step 5: Solve for x
    x = 455,395,759,615,926,144/827,455,319.40
  6. Step 6: Final answer
    x = 550,356,918.30

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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.