Home / 19,291,965,423.07-28,928,012,076.75-8,659,074,425.51

Finding the Fourth Proportional to 19,291,965,423.07, 28,928,012,076.75 and 8,659,074,425.51

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Solution

The fourth proportional to 19,291,965,423.07, 28,928,012,076.75 and 8,659,074,425.51 is: 12,984,151,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,423.07 : 28,928,012,076.75 = 8,659,074,425.51 : x
  2. Step 2: Convert to fraction form
    19,291,965,423.07/28,928,012,076.75 = 8,659,074,425.51/x
  3. Step 3: Cross multiply
    19,291,965,423.07x = 28,928,012,076.75 × 8,659,074,425.51
  4. Step 4: Simplify right side
    19,291,965,423.07x = 250,489,809,554,705,547,264
  5. Step 5: Solve for x
    x = 250,489,809,554,705,547,264/19,291,965,423.07
  6. Step 6: Final answer
    x = 12,984,151,902.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.