Home / 737,233,700.10-1,017,382,467.02-398,142,147.07

Finding the Fourth Proportional to 737,233,700.10, 1,017,382,467.02 and 398,142,147.07

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Solution

The fourth proportional to 737,233,700.10, 1,017,382,467.02 and 398,142,147.07 is: 549,436,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,233,700.10 : 1,017,382,467.02 = 398,142,147.07 : x
  2. Step 2: Convert to fraction form
    737,233,700.10/1,017,382,467.02 = 398,142,147.07/x
  3. Step 3: Cross multiply
    737,233,700.10x = 1,017,382,467.02 × 398,142,147.07
  4. Step 4: Simplify right side
    737,233,700.10x = 405,062,839,806,499,008
  5. Step 5: Solve for x
    x = 405,062,839,806,499,008/737,233,700.10
  6. Step 6: Final answer
    x = 549,436,141.82

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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.