Home / 873,304,856.63-1,205,151,561.91-476,826,617.35

Finding the Fourth Proportional to 873,304,856.63, 1,205,151,561.91 and 476,826,617.35

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Solution

The fourth proportional to 873,304,856.63, 1,205,151,561.91 and 476,826,617.35 is: 658,015,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,304,856.63 : 1,205,151,561.91 = 476,826,617.35 : x
  2. Step 2: Convert to fraction form
    873,304,856.63/1,205,151,561.91 = 476,826,617.35/x
  3. Step 3: Cross multiply
    873,304,856.63x = 1,205,151,561.91 × 476,826,617.35
  4. Step 4: Simplify right side
    873,304,856.63x = 574,648,342,659,614,464
  5. Step 5: Solve for x
    x = 574,648,342,659,614,464/873,304,856.63
  6. Step 6: Final answer
    x = 658,015,741.35

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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.