Home / 679,210,920.34-937,314,244.23-385,871,584.66

Finding the Fourth Proportional to 679,210,920.34, 937,314,244.23 and 385,871,584.66

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Solution

The fourth proportional to 679,210,920.34, 937,314,244.23 and 385,871,584.66 is: 532,504,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210,920.34 : 937,314,244.23 = 385,871,584.66 : x
  2. Step 2: Convert to fraction form
    679,210,920.34/937,314,244.23 = 385,871,584.66/x
  3. Step 3: Cross multiply
    679,210,920.34x = 937,314,244.23 × 385,871,584.66
  4. Step 4: Simplify right side
    679,210,920.34x = 361,682,932,741,630,080
  5. Step 5: Solve for x
    x = 361,682,932,741,630,080/679,210,920.34
  6. Step 6: Final answer
    x = 532,504,590.12

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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.