Home / 3,619,962,210.30-5,429,943,315.45-1,438,928,346.30

Finding the Fourth Proportional to 3,619,962,210.30, 5,429,943,315.45 and 1,438,928,346.30

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Solution

The fourth proportional to 3,619,962,210.30, 5,429,943,315.45 and 1,438,928,346.30 is: 2,158,392,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,962,210.30 : 5,429,943,315.45 = 1,438,928,346.30 : x
  2. Step 2: Convert to fraction form
    3,619,962,210.30/5,429,943,315.45 = 1,438,928,346.30/x
  3. Step 3: Cross multiply
    3,619,962,210.30x = 5,429,943,315.45 × 1,438,928,346.30
  4. Step 4: Simplify right side
    3,619,962,210.30x = 7,813,299,355,403,207,680
  5. Step 5: Solve for x
    x = 7,813,299,355,403,207,680/3,619,962,210.30
  6. Step 6: Final answer
    x = 2,158,392,519.45

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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.