Home / 1,226,298,867.24-1,838,767,745.34-407,964,446.76

Finding the Fourth Proportional to 1,226,298,867.24, 1,838,767,745.34 and 407,964,446.76

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Solution

The fourth proportional to 1,226,298,867.24, 1,838,767,745.34 and 407,964,446.76 is: 611,720,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,298,867.24 : 1,838,767,745.34 = 407,964,446.76 : x
  2. Step 2: Convert to fraction form
    1,226,298,867.24/1,838,767,745.34 = 407,964,446.76/x
  3. Step 3: Cross multiply
    1,226,298,867.24x = 1,838,767,745.34 × 407,964,446.76
  4. Step 4: Simplify right side
    1,226,298,867.24x = 750,151,865,947,765,632
  5. Step 5: Solve for x
    x = 750,151,865,947,765,632/1,226,298,867.24
  6. Step 6: Final answer
    x = 611,720,263.30

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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.