Home / 1,078,943,240.82-1,488,941,658.38-583,905,949.32

Finding the Fourth Proportional to 1,078,943,240.82, 1,488,941,658.38 and 583,905,949.32

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Solution

The fourth proportional to 1,078,943,240.82, 1,488,941,658.38 and 583,905,949.32 is: 805,790,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,943,240.82 : 1,488,941,658.38 = 583,905,949.32 : x
  2. Step 2: Convert to fraction form
    1,078,943,240.82/1,488,941,658.38 = 583,905,949.32/x
  3. Step 3: Cross multiply
    1,078,943,240.82x = 1,488,941,658.38 × 583,905,949.32
  4. Step 4: Simplify right side
    1,078,943,240.82x = 869,401,892,525,512,320
  5. Step 5: Solve for x
    x = 869,401,892,525,512,320/1,078,943,240.82
  6. Step 6: Final answer
    x = 805,790,202.51

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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.