Home / 717,709,228.40-1,077,067,727.40-309,058,655.60

Finding the Fourth Proportional to 717,709,228.40, 1,077,067,727.40 and 309,058,655.60

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Solution

The fourth proportional to 717,709,228.40, 1,077,067,727.40 and 309,058,655.60 is: 463,804,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,709,228.40 : 1,077,067,727.40 = 309,058,655.60 : x
  2. Step 2: Convert to fraction form
    717,709,228.40/1,077,067,727.40 = 309,058,655.60/x
  3. Step 3: Cross multiply
    717,709,228.40x = 1,077,067,727.40 × 309,058,655.60
  4. Step 4: Simplify right side
    717,709,228.40x = 332,877,103,820,391,360
  5. Step 5: Solve for x
    x = 332,877,103,820,391,360/717,709,228.40
  6. Step 6: Final answer
    x = 463,804,965.37

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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.