Home / 1,122,519,038.10-1,549,086,296.07-620,761,773.57

Finding the Fourth Proportional to 1,122,519,038.10, 1,549,086,296.07 and 620,761,773.57

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Solution

The fourth proportional to 1,122,519,038.10, 1,549,086,296.07 and 620,761,773.57 is: 856,656,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,519,038.10 : 1,549,086,296.07 = 620,761,773.57 : x
  2. Step 2: Convert to fraction form
    1,122,519,038.10/1,549,086,296.07 = 620,761,773.57/x
  3. Step 3: Cross multiply
    1,122,519,038.10x = 1,549,086,296.07 × 620,761,773.57
  4. Step 4: Simplify right side
    1,122,519,038.10x = 961,613,556,561,395,328
  5. Step 5: Solve for x
    x = 961,613,556,561,395,328/1,122,519,038.10
  6. Step 6: Final answer
    x = 856,656,790.60

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1.5x scale

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.