Home / 1,156,311,912.87-1,734,262,841.75-525,896,307.90

Finding the Fourth Proportional to 1,156,311,912.87, 1,734,262,841.75 and 525,896,307.90

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Solution

The fourth proportional to 1,156,311,912.87, 1,734,262,841.75 and 525,896,307.90 is: 788,751,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,311,912.87 : 1,734,262,841.75 = 525,896,307.90 : x
  2. Step 2: Convert to fraction form
    1,156,311,912.87/1,734,262,841.75 = 525,896,307.90/x
  3. Step 3: Cross multiply
    1,156,311,912.87x = 1,734,262,841.75 × 525,896,307.90
  4. Step 4: Simplify right side
    1,156,311,912.87x = 912,042,425,401,857,408
  5. Step 5: Solve for x
    x = 912,042,425,401,857,408/1,156,311,912.87
  6. Step 6: Final answer
    x = 788,751,214.31

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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.