Home / 768,436,652.07-1,150,796,706.08-439,915,769.10

Finding the Fourth Proportional to 768,436,652.07, 1,150,796,706.08 and 439,915,769.10

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Solution

The fourth proportional to 768,436,652.07, 1,150,796,706.08 and 439,915,769.10 is: 658,809,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,436,652.07 : 1,150,796,706.08 = 439,915,769.10 : x
  2. Step 2: Convert to fraction form
    768,436,652.07/1,150,796,706.08 = 439,915,769.10/x
  3. Step 3: Cross multiply
    768,436,652.07x = 1,150,796,706.08 × 439,915,769.10
  4. Step 4: Simplify right side
    768,436,652.07x = 506,253,618,030,730,304
  5. Step 5: Solve for x
    x = 506,253,618,030,730,304/768,436,652.07
  6. Step 6: Final answer
    x = 658,809,827.29

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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.