Home / 1,644,147,360.30-2,466,221,040.45-417,315,811.80

Finding the Fourth Proportional to 1,644,147,360.30, 2,466,221,040.45 and 417,315,811.80

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Solution

The fourth proportional to 1,644,147,360.30, 2,466,221,040.45 and 417,315,811.80 is: 625,973,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,147,360.30 : 2,466,221,040.45 = 417,315,811.80 : x
  2. Step 2: Convert to fraction form
    1,644,147,360.30/2,466,221,040.45 = 417,315,811.80/x
  3. Step 3: Cross multiply
    1,644,147,360.30x = 2,466,221,040.45 × 417,315,811.80
  4. Step 4: Simplify right side
    1,644,147,360.30x = 1,029,193,035,573,632,384
  5. Step 5: Solve for x
    x = 1,029,193,035,573,632,384/1,644,147,360.30
  6. Step 6: Final answer
    x = 625,973,717.70

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Double scale
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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.