Home / 746,631,773.88-1,120,001,469.58-286,569,943.24

Finding the Fourth Proportional to 746,631,773.88, 1,120,001,469.58 and 286,569,943.24

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Solution

The fourth proportional to 746,631,773.88, 1,120,001,469.58 and 286,569,943.24 is: 429,875,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,631,773.88 : 1,120,001,469.58 = 286,569,943.24 : x
  2. Step 2: Convert to fraction form
    746,631,773.88/1,120,001,469.58 = 286,569,943.24/x
  3. Step 3: Cross multiply
    746,631,773.88x = 1,120,001,469.58 × 286,569,943.24
  4. Step 4: Simplify right side
    746,631,773.88x = 320,958,757,566,257,152
  5. Step 5: Solve for x
    x = 320,958,757,566,257,152/746,631,773.88
  6. Step 6: Final answer
    x = 429,875,567.58

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Double scale
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1.5x scale

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.