Home / 15,566,866,191.83-21,482,168,375.96-8,430,116,687.46

Finding the Fourth Proportional to 15,566,866,191.83, 21,482,168,375.96 and 8,430,116,687.46

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Solution

The fourth proportional to 15,566,866,191.83, 21,482,168,375.96 and 8,430,116,687.46 is: 11,633,503,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566,866,191.83 : 21,482,168,375.96 = 8,430,116,687.46 : x
  2. Step 2: Convert to fraction form
    15,566,866,191.83/21,482,168,375.96 = 8,430,116,687.46/x
  3. Step 3: Cross multiply
    15,566,866,191.83x = 21,482,168,375.96 × 8,430,116,687.46
  4. Step 4: Simplify right side
    15,566,866,191.83x = 181,097,186,108,989,014,016
  5. Step 5: Solve for x
    x = 181,097,186,108,989,014,016/15,566,866,191.83
  6. Step 6: Final answer
    x = 11,633,503,100.58

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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.