Home / 2,115,732,803.67-2,919,537,720.80-1,245,558,908.22

Finding the Fourth Proportional to 2,115,732,803.67, 2,919,537,720.80 and 1,245,558,908.22

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Solution

The fourth proportional to 2,115,732,803.67, 2,919,537,720.80 and 1,245,558,908.22 is: 1,718,769,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,732,803.67 : 2,919,537,720.80 = 1,245,558,908.22 : x
  2. Step 2: Convert to fraction form
    2,115,732,803.67/2,919,537,720.80 = 1,245,558,908.22/x
  3. Step 3: Cross multiply
    2,115,732,803.67x = 2,919,537,720.80 × 1,245,558,908.22
  4. Step 4: Simplify right side
    2,115,732,803.67x = 3,636,456,216,014,042,112
  5. Step 5: Solve for x
    x = 3,636,456,216,014,042,112/2,115,732,803.67
  6. Step 6: Final answer
    x = 1,718,769,123.26

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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.