Home / 260,121,507,829.45-358,938,567,393.72-144,383,145,613.73

Finding the Fourth Proportional to 260,121,507,829.45, 358,938,567,393.72 and 144,383,145,613.73

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Solution

The fourth proportional to 260,121,507,829.45, 358,938,567,393.72 and 144,383,145,613.73 is: 199,232,581,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,121,507,829.45 : 358,938,567,393.72 = 144,383,145,613.73 : x
  2. Step 2: Convert to fraction form
    260,121,507,829.45/358,938,567,393.72 = 144,383,145,613.73/x
  3. Step 3: Cross multiply
    260,121,507,829.45x = 358,938,567,393.72 × 144,383,145,613.73
  4. Step 4: Simplify right side
    260,121,507,829.45x = 51,824,679,442,391,114,973,184
  5. Step 5: Solve for x
    x = 51,824,679,442,391,114,973,184/260,121,507,829.45
  6. Step 6: Final answer
    x = 199,232,581,245.72

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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.