Home / 867,245,116.22-1,196,799,790.14-470,768,380.36

Finding the Fourth Proportional to 867,245,116.22, 1,196,799,790.14 and 470,768,380.36

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Solution

The fourth proportional to 867,245,116.22, 1,196,799,790.14 and 470,768,380.36 is: 649,661,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,245,116.22 : 1,196,799,790.14 = 470,768,380.36 : x
  2. Step 2: Convert to fraction form
    867,245,116.22/1,196,799,790.14 = 470,768,380.36/x
  3. Step 3: Cross multiply
    867,245,116.22x = 1,196,799,790.14 × 470,768,380.36
  4. Step 4: Simplify right side
    867,245,116.22x = 563,415,498,819,395,776
  5. Step 5: Solve for x
    x = 563,415,498,819,395,776/867,245,116.22
  6. Step 6: Final answer
    x = 649,661,195.30

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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.