Home / 360,878,342.08-497,955,227.28-210,195,796.80

Finding the Fourth Proportional to 360,878,342.08, 497,955,227.28 and 210,195,796.80

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Solution

The fourth proportional to 360,878,342.08, 497,955,227.28 and 210,195,796.80 is: 290,037,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,878,342.08 : 497,955,227.28 = 210,195,796.80 : x
  2. Step 2: Convert to fraction form
    360,878,342.08/497,955,227.28 = 210,195,796.80/x
  3. Step 3: Cross multiply
    360,878,342.08x = 497,955,227.28 × 210,195,796.80
  4. Step 4: Simplify right side
    360,878,342.08x = 104,668,095,768,844,704
  5. Step 5: Solve for x
    x = 104,668,095,768,844,704/360,878,342.08
  6. Step 6: Final answer
    x = 290,037,066.69

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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.