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Finding the Fourth Proportional to 1,325,168,869.06, 1,828,814,858.91 and 730,452,014.06

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Solution

The fourth proportional to 1,325,168,869.06, 1,828,814,858.91 and 730,452,014.06 is: 1,008,068,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,168,869.06 : 1,828,814,858.91 = 730,452,014.06 : x
  2. Step 2: Convert to fraction form
    1,325,168,869.06/1,828,814,858.91 = 730,452,014.06/x
  3. Step 3: Cross multiply
    1,325,168,869.06x = 1,828,814,858.91 × 730,452,014.06
  4. Step 4: Simplify right side
    1,325,168,869.06x = 1,335,861,497,030,011,904
  5. Step 5: Solve for x
    x = 1,335,861,497,030,011,904/1,325,168,869.06
  6. Step 6: Final answer
    x = 1,008,068,879.54

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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.