Home / 695,871,642.33-960,245,655.84-409,717,680.57

Finding the Fourth Proportional to 695,871,642.33, 960,245,655.84 and 409,717,680.57

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Solution

The fourth proportional to 695,871,642.33, 960,245,655.84 and 409,717,680.57 is: 565,376,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,871,642.33 : 960,245,655.84 = 409,717,680.57 : x
  2. Step 2: Convert to fraction form
    695,871,642.33/960,245,655.84 = 409,717,680.57/x
  3. Step 3: Cross multiply
    695,871,642.33x = 960,245,655.84 × 409,717,680.57
  4. Step 4: Simplify right side
    695,871,642.33x = 393,429,622,888,183,296
  5. Step 5: Solve for x
    x = 393,429,622,888,183,296/695,871,642.33
  6. Step 6: Final answer
    x = 565,376,714.55

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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.