Home / 1,458,391,307.88-2,012,593,452.42-863,709,616.20

Finding the Fourth Proportional to 1,458,391,307.88, 2,012,593,452.42 and 863,709,616.20

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Solution

The fourth proportional to 1,458,391,307.88, 2,012,593,452.42 and 863,709,616.20 is: 1,191,927,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,391,307.88 : 2,012,593,452.42 = 863,709,616.20 : x
  2. Step 2: Convert to fraction form
    1,458,391,307.88/2,012,593,452.42 = 863,709,616.20/x
  3. Step 3: Cross multiply
    1,458,391,307.88x = 2,012,593,452.42 × 863,709,616.20
  4. Step 4: Simplify right side
    1,458,391,307.88x = 1,738,296,318,356,311,296
  5. Step 5: Solve for x
    x = 1,738,296,318,356,311,296/1,458,391,307.88
  6. Step 6: Final answer
    x = 1,191,927,234.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.