Home / 1,247,447,556.88-1,873,010,760.90-695,827,742.10

Finding the Fourth Proportional to 1,247,447,556.88, 1,873,010,760.90 and 695,827,742.10

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Solution

The fourth proportional to 1,247,447,556.88, 1,873,010,760.90 and 695,827,742.10 is: 1,044,767,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,447,556.88 : 1,873,010,760.90 = 695,827,742.10 : x
  2. Step 2: Convert to fraction form
    1,247,447,556.88/1,873,010,760.90 = 695,827,742.10/x
  3. Step 3: Cross multiply
    1,247,447,556.88x = 1,873,010,760.90 × 695,827,742.10
  4. Step 4: Simplify right side
    1,247,447,556.88x = 1,303,292,848,686,050,048
  5. Step 5: Solve for x
    x = 1,303,292,848,686,050,048/1,247,447,556.88
  6. Step 6: Final answer
    x = 1,044,767,646.94

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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.