Home / 15,222,565,904.36-21,006,883,196.84-8,539,418,980.04

Finding the Fourth Proportional to 15,222,565,904.36, 21,006,883,196.84 and 8,539,418,980.04

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Solution

The fourth proportional to 15,222,565,904.36, 21,006,883,196.84 and 8,539,418,980.04 is: 11,784,253,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222,565,904.36 : 21,006,883,196.84 = 8,539,418,980.04 : x
  2. Step 2: Convert to fraction form
    15,222,565,904.36/21,006,883,196.84 = 8,539,418,980.04/x
  3. Step 3: Cross multiply
    15,222,565,904.36x = 21,006,883,196.84 × 8,539,418,980.04
  4. Step 4: Simplify right side
    15,222,565,904.36x = 179,386,577,082,578,862,080
  5. Step 5: Solve for x
    x = 179,386,577,082,578,862,080/15,222,565,904.36
  6. Step 6: Final answer
    x = 11,784,253,601.50

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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.