Home / 318,761,637.06-439,656,903.50-211,276,568.46

Finding the Fourth Proportional to 318,761,637.06, 439,656,903.50 and 211,276,568.46

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Solution

The fourth proportional to 318,761,637.06, 439,656,903.50 and 211,276,568.46 is: 291,406,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,761,637.06 : 439,656,903.50 = 211,276,568.46 : x
  2. Step 2: Convert to fraction form
    318,761,637.06/439,656,903.50 = 211,276,568.46/x
  3. Step 3: Cross multiply
    318,761,637.06x = 439,656,903.50 × 211,276,568.46
  4. Step 4: Simplify right side
    318,761,637.06x = 92,889,201,871,229,360
  5. Step 5: Solve for x
    x = 92,889,201,871,229,360/318,761,637.06
  6. Step 6: Final answer
    x = 291,406,465.12

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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.