Home / 353,256,922.74-487,411,162.61-296,955,724.22

Finding the Fourth Proportional to 353,256,922.74, 487,411,162.61 and 296,955,724.22

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Solution

The fourth proportional to 353,256,922.74, 487,411,162.61 and 296,955,724.22 is: 409,728,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,256,922.74 : 487,411,162.61 = 296,955,724.22 : x
  2. Step 2: Convert to fraction form
    353,256,922.74/487,411,162.61 = 296,955,724.22/x
  3. Step 3: Cross multiply
    353,256,922.74x = 487,411,162.61 × 296,955,724.22
  4. Step 4: Simplify right side
    353,256,922.74x = 144,739,534,785,764,768
  5. Step 5: Solve for x
    x = 144,739,534,785,764,768/353,256,922.74
  6. Step 6: Final answer
    x = 409,728,799.26

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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.