Home / 1,240,461,665.28-1,711,919,940.48-683,544,625.92

Finding the Fourth Proportional to 1,240,461,665.28, 1,711,919,940.48 and 683,544,625.92

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Solution

The fourth proportional to 1,240,461,665.28, 1,711,919,940.48 and 683,544,625.92 is: 943,337,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,461,665.28 : 1,711,919,940.48 = 683,544,625.92 : x
  2. Step 2: Convert to fraction form
    1,240,461,665.28/1,711,919,940.48 = 683,544,625.92/x
  3. Step 3: Cross multiply
    1,240,461,665.28x = 1,711,919,940.48 × 683,544,625.92
  4. Step 4: Simplify right side
    1,240,461,665.28x = 1,170,173,675,320,390,144
  5. Step 5: Solve for x
    x = 1,170,173,675,320,390,144/1,240,461,665.28
  6. Step 6: Final answer
    x = 943,337,233.28

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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.