Home / 403,928,278.60-605,668,469.10-173,858,211.40

Finding the Fourth Proportional to 403,928,278.60, 605,668,469.10 and 173,858,211.40

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Solution

The fourth proportional to 403,928,278.60, 605,668,469.10 and 173,858,211.40 is: 260,690,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,928,278.60 : 605,668,469.10 = 173,858,211.40 : x
  2. Step 2: Convert to fraction form
    403,928,278.60/605,668,469.10 = 173,858,211.40/x
  3. Step 3: Cross multiply
    403,928,278.60x = 605,668,469.10 × 173,858,211.40
  4. Step 4: Simplify right side
    403,928,278.60x = 105,300,436,739,102,176
  5. Step 5: Solve for x
    x = 105,300,436,739,102,176/403,928,278.60
  6. Step 6: Final answer
    x = 260,690,925.39

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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.