Home / 314,928,396.70-472,392,595.05-309,826,563.10

Finding the Fourth Proportional to 314,928,396.70, 472,392,595.05 and 309,826,563.10

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Solution

The fourth proportional to 314,928,396.70, 472,392,595.05 and 309,826,563.10 is: 464,739,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,396.70 : 472,392,595.05 = 309,826,563.10 : x
  2. Step 2: Convert to fraction form
    314,928,396.70/472,392,595.05 = 309,826,563.10/x
  3. Step 3: Cross multiply
    314,928,396.70x = 472,392,595.05 × 309,826,563.10
  4. Step 4: Simplify right side
    314,928,396.70x = 146,359,774,158,231,584
  5. Step 5: Solve for x
    x = 146,359,774,158,231,584/314,928,396.70
  6. Step 6: Final answer
    x = 464,739,844.65

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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.