Home / 737,391,807.32-1,017,601,102.38-398,300,281.25

Finding the Fourth Proportional to 737,391,807.32, 1,017,601,102.38 and 398,300,281.25

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Solution

The fourth proportional to 737,391,807.32, 1,017,601,102.38 and 398,300,281.25 is: 549,654,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,391,807.32 : 1,017,601,102.38 = 398,300,281.25 : x
  2. Step 2: Convert to fraction form
    737,391,807.32/1,017,601,102.38 = 398,300,281.25/x
  3. Step 3: Cross multiply
    737,391,807.32x = 1,017,601,102.38 × 398,300,281.25
  4. Step 4: Simplify right side
    737,391,807.32x = 405,310,805,273,176,064
  5. Step 5: Solve for x
    x = 405,310,805,273,176,064/737,391,807.32
  6. Step 6: Final answer
    x = 549,654,608.65

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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.