Home / 1,247,447,558.46-1,873,010,763.26-695,827,743.69

Finding the Fourth Proportional to 1,247,447,558.46, 1,873,010,763.26 and 695,827,743.69

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Solution

The fourth proportional to 1,247,447,558.46, 1,873,010,763.26 and 695,827,743.69 is: 1,044,767,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,447,558.46 : 1,873,010,763.26 = 695,827,743.69 : x
  2. Step 2: Convert to fraction form
    1,247,447,558.46/1,873,010,763.26 = 695,827,743.69/x
  3. Step 3: Cross multiply
    1,247,447,558.46x = 1,873,010,763.26 × 695,827,743.69
  4. Step 4: Simplify right side
    1,247,447,558.46x = 1,303,292,853,302,811,648
  5. Step 5: Solve for x
    x = 1,303,292,853,302,811,648/1,247,447,558.46
  6. Step 6: Final answer
    x = 1,044,767,649.32

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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.