Home / 245,525,607,447.36-338,821,761,808.80-137,140,246,996.80

Finding the Fourth Proportional to 245,525,607,447.36, 338,821,761,808.80 and 137,140,246,996.80

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Solution

The fourth proportional to 245,525,607,447.36, 338,821,761,808.80 and 137,140,246,996.80 is: 189,251,543,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,525,607,447.36 : 338,821,761,808.80 = 137,140,246,996.80 : x
  2. Step 2: Convert to fraction form
    245,525,607,447.36/338,821,761,808.80 = 137,140,246,996.80/x
  3. Step 3: Cross multiply
    245,525,607,447.36x = 338,821,761,808.80 × 137,140,246,996.80
  4. Step 4: Simplify right side
    245,525,607,447.36x = 46,466,100,102,349,769,932,800
  5. Step 5: Solve for x
    x = 46,466,100,102,349,769,932,800/245,525,607,447.36
  6. Step 6: Final answer
    x = 189,251,543,191.12

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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.