Home / 380,415,303,590.58-524,973,456,663.57-209,140,149,110.58

Finding the Fourth Proportional to 380,415,303,590.58, 524,973,456,663.57 and 209,140,149,110.58

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Solution

The fourth proportional to 380,415,303,590.58, 524,973,456,663.57 and 209,140,149,110.58 is: 288,613,591,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,415,303,590.58 : 524,973,456,663.57 = 209,140,149,110.58 : x
  2. Step 2: Convert to fraction form
    380,415,303,590.58/524,973,456,663.57 = 209,140,149,110.58/x
  3. Step 3: Cross multiply
    380,415,303,590.58x = 524,973,456,663.57 × 209,140,149,110.58
  4. Step 4: Simplify right side
    380,415,303,590.58x = 109,793,027,005,715,631,308,800
  5. Step 5: Solve for x
    x = 109,793,027,005,715,631,308,800/380,415,303,590.58
  6. Step 6: Final answer
    x = 288,613,591,433.96

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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.