Home / 317,905,212.83-476,880,519.66-84,734,703.38

Finding the Fourth Proportional to 317,905,212.83, 476,880,519.66 and 84,734,703.38

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Solution

The fourth proportional to 317,905,212.83, 476,880,519.66 and 84,734,703.38 is: 127,108,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,905,212.83 : 476,880,519.66 = 84,734,703.38 : x
  2. Step 2: Convert to fraction form
    317,905,212.83/476,880,519.66 = 84,734,703.38/x
  3. Step 3: Cross multiply
    317,905,212.83x = 476,880,519.66 × 84,734,703.38
  4. Step 4: Simplify right side
    317,905,212.83x = 40,408,329,381,964,800
  5. Step 5: Solve for x
    x = 40,408,329,381,964,800/317,905,212.83
  6. Step 6: Final answer
    x = 127,108,105.66

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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.