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Finding the Fourth Proportional to 1,078,944,305.94, 1,488,943,124 and 583,907,014.44

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Solution

The fourth proportional to 1,078,944,305.94, 1,488,943,124 and 583,907,014.44 is: 805,791,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,944,305.94 : 1,488,943,124 = 583,907,014.44 : x
  2. Step 2: Convert to fraction form
    1,078,944,305.94/1,488,943,124 = 583,907,014.44/x
  3. Step 3: Cross multiply
    1,078,944,305.94x = 1,488,943,124 × 583,907,014.44
  4. Step 4: Simplify right side
    1,078,944,305.94x = 869,404,334,205,806,848
  5. Step 5: Solve for x
    x = 869,404,334,205,806,848/1,078,944,305.94
  6. Step 6: Final answer
    x = 805,791,670.08

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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.