Home / 158,361,556,385.78-218,546,799,534.36-98,233,896,492.98

Finding the Fourth Proportional to 158,361,556,385.78, 218,546,799,534.36 and 98,233,896,492.98

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Solution

The fourth proportional to 158,361,556,385.78, 218,546,799,534.36 and 98,233,896,492.98 is: 135,567,647,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,361,556,385.78 : 218,546,799,534.36 = 98,233,896,492.98 : x
  2. Step 2: Convert to fraction form
    158,361,556,385.78/218,546,799,534.36 = 98,233,896,492.98/x
  3. Step 3: Cross multiply
    158,361,556,385.78x = 218,546,799,534.36 × 98,233,896,492.98
  4. Step 4: Simplify right side
    158,361,556,385.78x = 21,468,703,684,330,367,483,904
  5. Step 5: Solve for x
    x = 21,468,703,684,330,367,483,904/158,361,556,385.78
  6. Step 6: Final answer
    x = 135,567,647,693.68

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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.