Home / 1,991,673,386.68-2,748,750,286.92-1,133,556,603.88

Finding the Fourth Proportional to 1,991,673,386.68, 2,748,750,286.92 and 1,133,556,603.88

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Solution

The fourth proportional to 1,991,673,386.68, 2,748,750,286.92 and 1,133,556,603.88 is: 1,564,445,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,673,386.68 : 2,748,750,286.92 = 1,133,556,603.88 : x
  2. Step 2: Convert to fraction form
    1,991,673,386.68/2,748,750,286.92 = 1,133,556,603.88/x
  3. Step 3: Cross multiply
    1,991,673,386.68x = 2,748,750,286.92 × 1,133,556,603.88
  4. Step 4: Simplify right side
    1,991,673,386.68x = 3,115,864,040,155,211,264
  5. Step 5: Solve for x
    x = 3,115,864,040,155,211,264/1,991,673,386.68
  6. Step 6: Final answer
    x = 1,564,445,285.55

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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.