Home / 1,879,867,161.73-2,819,894,404.99-715,425,900.90

Finding the Fourth Proportional to 1,879,867,161.73, 2,819,894,404.99 and 715,425,900.90

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Solution

The fourth proportional to 1,879,867,161.73, 2,819,894,404.99 and 715,425,900.90 is: 1,073,174,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,867,161.73 : 2,819,894,404.99 = 715,425,900.90 : x
  2. Step 2: Convert to fraction form
    1,879,867,161.73/2,819,894,404.99 = 715,425,900.90/x
  3. Step 3: Cross multiply
    1,879,867,161.73x = 2,819,894,404.99 × 715,425,900.90
  4. Step 4: Simplify right side
    1,879,867,161.73x = 2,017,425,495,132,839,936
  5. Step 5: Solve for x
    x = 2,017,425,495,132,839,936/1,879,867,161.73
  6. Step 6: Final answer
    x = 1,073,174,496.69

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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.