Home / 3,258,259,313.76-4,496,545,914.12-1,920,205,876.32

Finding the Fourth Proportional to 3,258,259,313.76, 4,496,545,914.12 and 1,920,205,876.32

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Solution

The fourth proportional to 3,258,259,313.76, 4,496,545,914.12 and 1,920,205,876.32 is: 2,649,971,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,259,313.76 : 4,496,545,914.12 = 1,920,205,876.32 : x
  2. Step 2: Convert to fraction form
    3,258,259,313.76/4,496,545,914.12 = 1,920,205,876.32/x
  3. Step 3: Cross multiply
    3,258,259,313.76x = 4,496,545,914.12 × 1,920,205,876.32
  4. Step 4: Simplify right side
    3,258,259,313.76x = 8,634,293,887,435,909,120
  5. Step 5: Solve for x
    x = 8,634,293,887,435,909,120/3,258,259,313.76
  6. Step 6: Final answer
    x = 2,649,971,366.91

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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.