Home / 726,911,946.45-1,003,124,774.76-444,633,618.42

Finding the Fourth Proportional to 726,911,946.45, 1,003,124,774.76 and 444,633,618.42

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Solution

The fourth proportional to 726,911,946.45, 1,003,124,774.76 and 444,633,618.42 is: 613,586,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,911,946.45 : 1,003,124,774.76 = 444,633,618.42 : x
  2. Step 2: Convert to fraction form
    726,911,946.45/1,003,124,774.76 = 444,633,618.42/x
  3. Step 3: Cross multiply
    726,911,946.45x = 1,003,124,774.76 × 444,633,618.42
  4. Step 4: Simplify right side
    726,911,946.45x = 446,022,998,328,286,272
  5. Step 5: Solve for x
    x = 446,022,998,328,286,272/726,911,946.45
  6. Step 6: Final answer
    x = 613,586,006.54

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Double scale
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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.