Home / 427,506,074.24-589,955,918.92-231,931,587.20

Finding the Fourth Proportional to 427,506,074.24, 589,955,918.92 and 231,931,587.20

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Solution

The fourth proportional to 427,506,074.24, 589,955,918.92 and 231,931,587.20 is: 320,064,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,506,074.24 : 589,955,918.92 = 231,931,587.20 : x
  2. Step 2: Convert to fraction form
    427,506,074.24/589,955,918.92 = 231,931,587.20/x
  3. Step 3: Cross multiply
    427,506,074.24x = 589,955,918.92 × 231,931,587.20
  4. Step 4: Simplify right side
    427,506,074.24x = 136,829,412,649,620,496
  5. Step 5: Solve for x
    x = 136,829,412,649,620,496/427,506,074.24
  6. Step 6: Final answer
    x = 320,064,253.81

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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.