Home / 927,646,197.02-1,388,441,000.36-681,937,796.78

Finding the Fourth Proportional to 927,646,197.02, 1,388,441,000.36 and 681,937,796.78

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Solution

The fourth proportional to 927,646,197.02, 1,388,441,000.36 and 681,937,796.78 is: 1,020,680,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,646,197.02 : 1,388,441,000.36 = 681,937,796.78 : x
  2. Step 2: Convert to fraction form
    927,646,197.02/1,388,441,000.36 = 681,937,796.78/x
  3. Step 3: Cross multiply
    927,646,197.02x = 1,388,441,000.36 × 681,937,796.78
  4. Step 4: Simplify right side
    927,646,197.02x = 946,830,396,734,165,632
  5. Step 5: Solve for x
    x = 946,830,396,734,165,632/927,646,197.02
  6. Step 6: Final answer
    x = 1,020,680,513.52

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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.