Home / 1,935,949,758.40-2,905,058,378.40-709,242,212.80

Finding the Fourth Proportional to 1,935,949,758.40, 2,905,058,378.40 and 709,242,212.80

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Solution

The fourth proportional to 1,935,949,758.40, 2,905,058,378.40 and 709,242,212.80 is: 1,064,278,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,949,758.40 : 2,905,058,378.40 = 709,242,212.80 : x
  2. Step 2: Convert to fraction form
    1,935,949,758.40/2,905,058,378.40 = 709,242,212.80/x
  3. Step 3: Cross multiply
    1,935,949,758.40x = 2,905,058,378.40 × 709,242,212.80
  4. Step 4: Simplify right side
    1,935,949,758.40x = 2,060,390,032,609,595,648
  5. Step 5: Solve for x
    x = 2,060,390,032,609,595,648/1,935,949,758.40
  6. Step 6: Final answer
    x = 1,064,278,669.25

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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.