Home / 20,589,167,005.83-28,410,776,842.73-11,554,852,926.51

Finding the Fourth Proportional to 20,589,167,005.83, 28,410,776,842.73 and 11,554,852,926.51

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Solution

The fourth proportional to 20,589,167,005.83, 28,410,776,842.73 and 11,554,852,926.51 is: 15,944,421,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,167,005.83 : 28,410,776,842.73 = 11,554,852,926.51 : x
  2. Step 2: Convert to fraction form
    20,589,167,005.83/28,410,776,842.73 = 11,554,852,926.51/x
  3. Step 3: Cross multiply
    20,589,167,005.83x = 28,410,776,842.73 × 11,554,852,926.51
  4. Step 4: Simplify right side
    20,589,167,005.83x = 328,282,347,945,595,109,376
  5. Step 5: Solve for x
    x = 328,282,347,945,595,109,376/20,589,167,005.83
  6. Step 6: Final answer
    x = 15,944,421,056.60

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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.