Home / 486,871,199.44-671,671,127.28-322,088,272.72

Finding the Fourth Proportional to 486,871,199.44, 671,671,127.28 and 322,088,272.72

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Solution

The fourth proportional to 486,871,199.44, 671,671,127.28 and 322,088,272.72 is: 444,342,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,871,199.44 : 671,671,127.28 = 322,088,272.72 : x
  2. Step 2: Convert to fraction form
    486,871,199.44/671,671,127.28 = 322,088,272.72/x
  3. Step 3: Cross multiply
    486,871,199.44x = 671,671,127.28 × 322,088,272.72
  4. Step 4: Simplify right side
    486,871,199.44x = 216,337,393,221,510,496
  5. Step 5: Solve for x
    x = 216,337,393,221,510,496/486,871,199.44
  6. Step 6: Final answer
    x = 444,342,145.25

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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.