Home / 1,213,719,177.52-1,674,932,467.12-656,802,224.32

Finding the Fourth Proportional to 1,213,719,177.52, 1,674,932,467.12 and 656,802,224.32

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Solution

The fourth proportional to 1,213,719,177.52, 1,674,932,467.12 and 656,802,224.32 is: 906,387,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,719,177.52 : 1,674,932,467.12 = 656,802,224.32 : x
  2. Step 2: Convert to fraction form
    1,213,719,177.52/1,674,932,467.12 = 656,802,224.32/x
  3. Step 3: Cross multiply
    1,213,719,177.52x = 1,674,932,467.12 × 656,802,224.32
  4. Step 4: Simplify right side
    1,213,719,177.52x = 1,100,099,369,990,201,216
  5. Step 5: Solve for x
    x = 1,100,099,369,990,201,216/1,213,719,177.52
  6. Step 6: Final answer
    x = 906,387,070.72

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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.