Home / 403,928,276.60-605,668,466.10-173,858,209.40

Finding the Fourth Proportional to 403,928,276.60, 605,668,466.10 and 173,858,209.40

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Solution

The fourth proportional to 403,928,276.60, 605,668,466.10 and 173,858,209.40 is: 260,690,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,928,276.60 : 605,668,466.10 = 173,858,209.40 : x
  2. Step 2: Convert to fraction form
    403,928,276.60/605,668,466.10 = 173,858,209.40/x
  3. Step 3: Cross multiply
    403,928,276.60x = 605,668,466.10 × 173,858,209.40
  4. Step 4: Simplify right side
    403,928,276.60x = 105,300,435,006,190,608
  5. Step 5: Solve for x
    x = 105,300,435,006,190,608/403,928,276.60
  6. Step 6: Final answer
    x = 260,690,922.39

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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.