Home / 743,203,952.94-1,025,686,805.72-408,735,421.41

Finding the Fourth Proportional to 743,203,952.94, 1,025,686,805.72 and 408,735,421.41

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Solution

The fourth proportional to 743,203,952.94, 1,025,686,805.72 and 408,735,421.41 is: 564,090,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,203,952.94 : 1,025,686,805.72 = 408,735,421.41 : x
  2. Step 2: Convert to fraction form
    743,203,952.94/1,025,686,805.72 = 408,735,421.41/x
  3. Step 3: Cross multiply
    743,203,952.94x = 1,025,686,805.72 × 408,735,421.41
  4. Step 4: Simplify right side
    743,203,952.94x = 419,234,528,774,722,304
  5. Step 5: Solve for x
    x = 419,234,528,774,722,304/743,203,952.94
  6. Step 6: Final answer
    x = 564,090,822.06

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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.