Home / 15,814,555,130.32-21,824,026,211.22-8,678,088,368.39

Finding the Fourth Proportional to 15,814,555,130.32, 21,824,026,211.22 and 8,678,088,368.39

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Solution

The fourth proportional to 15,814,555,130.32, 21,824,026,211.22 and 8,678,088,368.39 is: 11,975,729,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814,555,130.32 : 21,824,026,211.22 = 8,678,088,368.39 : x
  2. Step 2: Convert to fraction form
    15,814,555,130.32/21,824,026,211.22 = 8,678,088,368.39/x
  3. Step 3: Cross multiply
    15,814,555,130.32x = 21,824,026,211.22 × 8,678,088,368.39
  4. Step 4: Simplify right side
    15,814,555,130.32x = 189,390,828,015,026,765,824
  5. Step 5: Solve for x
    x = 189,390,828,015,026,765,824/15,814,555,130.32
  6. Step 6: Final answer
    x = 11,975,729,096.04

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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.