Home / 705,480,147.14-1,058,261,407.38-214,209,443.72

Finding the Fourth Proportional to 705,480,147.14, 1,058,261,407.38 and 214,209,443.72

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Solution

The fourth proportional to 705,480,147.14, 1,058,261,407.38 and 214,209,443.72 is: 321,326,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,480,147.14 : 1,058,261,407.38 = 214,209,443.72 : x
  2. Step 2: Convert to fraction form
    705,480,147.14/1,058,261,407.38 = 214,209,443.72/x
  3. Step 3: Cross multiply
    705,480,147.14x = 1,058,261,407.38 × 214,209,443.72
  4. Step 4: Simplify right side
    705,480,147.14x = 226,689,587,387,859,744
  5. Step 5: Solve for x
    x = 226,689,587,387,859,744/705,480,147.14
  6. Step 6: Final answer
    x = 321,326,671.36

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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.