Home / 403,477,921.60-605,216,882.40-240,219,246.40

Finding the Fourth Proportional to 403,477,921.60, 605,216,882.40 and 240,219,246.40

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Solution

The fourth proportional to 403,477,921.60, 605,216,882.40 and 240,219,246.40 is: 360,328,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,477,921.60 : 605,216,882.40 = 240,219,246.40 : x
  2. Step 2: Convert to fraction form
    403,477,921.60/605,216,882.40 = 240,219,246.40/x
  3. Step 3: Cross multiply
    403,477,921.60x = 605,216,882.40 × 240,219,246.40
  4. Step 4: Simplify right side
    403,477,921.60x = 145,384,743,398,685,408
  5. Step 5: Solve for x
    x = 145,384,743,398,685,408/403,477,921.60
  6. Step 6: Final answer
    x = 360,328,869.60

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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.