Home / 687,540,563.80-1,031,310,845.70-233,670,995.80

Finding the Fourth Proportional to 687,540,563.80, 1,031,310,845.70 and 233,670,995.80

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Solution

The fourth proportional to 687,540,563.80, 1,031,310,845.70 and 233,670,995.80 is: 350,506,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,540,563.80 : 1,031,310,845.70 = 233,670,995.80 : x
  2. Step 2: Convert to fraction form
    687,540,563.80/1,031,310,845.70 = 233,670,995.80/x
  3. Step 3: Cross multiply
    687,540,563.80x = 1,031,310,845.70 × 233,670,995.80
  4. Step 4: Simplify right side
    687,540,563.80x = 240,987,432,294,059,168
  5. Step 5: Solve for x
    x = 240,987,432,294,059,168/687,540,563.80
  6. Step 6: Final answer
    x = 350,506,493.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.