Home / 1,858,201,121.60-2,787,301,682.40-1,031,704,078.40

Finding the Fourth Proportional to 1,858,201,121.60, 2,787,301,682.40 and 1,031,704,078.40

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Solution

The fourth proportional to 1,858,201,121.60, 2,787,301,682.40 and 1,031,704,078.40 is: 1,547,556,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,201,121.60 : 2,787,301,682.40 = 1,031,704,078.40 : x
  2. Step 2: Convert to fraction form
    1,858,201,121.60/2,787,301,682.40 = 1,031,704,078.40/x
  3. Step 3: Cross multiply
    1,858,201,121.60x = 2,787,301,682.40 × 1,031,704,078.40
  4. Step 4: Simplify right side
    1,858,201,121.60x = 2,875,670,513,463,261,696
  5. Step 5: Solve for x
    x = 2,875,670,513,463,261,696/1,858,201,121.60
  6. Step 6: Final answer
    x = 1,547,556,117.60

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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.