Home / 1,216,340,226-1,679,935,195.08-824,519,405.52

Finding the Fourth Proportional to 1,216,340,226, 1,679,935,195.08 and 824,519,405.52

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Solution

The fourth proportional to 1,216,340,226, 1,679,935,195.08 and 824,519,405.52 is: 1,138,776,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,340,226 : 1,679,935,195.08 = 824,519,405.52 : x
  2. Step 2: Convert to fraction form
    1,216,340,226/1,679,935,195.08 = 824,519,405.52/x
  3. Step 3: Cross multiply
    1,216,340,226x = 1,679,935,195.08 × 824,519,405.52
  4. Step 4: Simplify right side
    1,216,340,226x = 1,385,139,168,359,486,720
  5. Step 5: Solve for x
    x = 1,385,139,168,359,486,720/1,216,340,226
  6. Step 6: Final answer
    x = 1,138,776,091.39

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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.