Home / 1,439,346,396.65-2,159,019,578.78-348,829,464.65

Finding the Fourth Proportional to 1,439,346,396.65, 2,159,019,578.78 and 348,829,464.65

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Solution

The fourth proportional to 1,439,346,396.65, 2,159,019,578.78 and 348,829,464.65 is: 523,244,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,346,396.65 : 2,159,019,578.78 = 348,829,464.65 : x
  2. Step 2: Convert to fraction form
    1,439,346,396.65/2,159,019,578.78 = 348,829,464.65/x
  3. Step 3: Cross multiply
    1,439,346,396.65x = 2,159,019,578.78 × 348,829,464.65
  4. Step 4: Simplify right side
    1,439,346,396.65x = 753,129,643,832,951,680
  5. Step 5: Solve for x
    x = 753,129,643,832,951,680/1,439,346,396.65
  6. Step 6: Final answer
    x = 523,244,193.05

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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.