Home / 360,878,335.08-497,955,217.64-210,195,789.80

Finding the Fourth Proportional to 360,878,335.08, 497,955,217.64 and 210,195,789.80

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Solution

The fourth proportional to 360,878,335.08, 497,955,217.64 and 210,195,789.80 is: 290,037,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,878,335.08 : 497,955,217.64 = 210,195,789.80 : x
  2. Step 2: Convert to fraction form
    360,878,335.08/497,955,217.64 = 210,195,789.80/x
  3. Step 3: Cross multiply
    360,878,335.08x = 497,955,217.64 × 210,195,789.80
  4. Step 4: Simplify right side
    360,878,335.08x = 104,668,090,253,329,936
  5. Step 5: Solve for x
    x = 104,668,090,253,329,936/360,878,335.08
  6. Step 6: Final answer
    x = 290,037,057.03

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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.