Home / 558,736,678.68-770,935,012.38-338,774,167.32

Finding the Fourth Proportional to 558,736,678.68, 770,935,012.38 and 338,774,167.32

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Solution

The fourth proportional to 558,736,678.68, 770,935,012.38 and 338,774,167.32 is: 467,434,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,736,678.68 : 770,935,012.38 = 338,774,167.32 : x
  2. Step 2: Convert to fraction form
    558,736,678.68/770,935,012.38 = 338,774,167.32/x
  3. Step 3: Cross multiply
    558,736,678.68x = 770,935,012.38 × 338,774,167.32
  4. Step 4: Simplify right side
    558,736,678.68x = 261,172,866,876,868,384
  5. Step 5: Solve for x
    x = 261,172,866,876,868,384/558,736,678.68
  6. Step 6: Final answer
    x = 467,434,619.64

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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.