Home / 404,577,292.86-558,316,645.89-218,938,313.61

Finding the Fourth Proportional to 404,577,292.86, 558,316,645.89 and 218,938,313.61

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Solution

The fourth proportional to 404,577,292.86, 558,316,645.89 and 218,938,313.61 is: 302,134,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,292.86 : 558,316,645.89 = 218,938,313.61 : x
  2. Step 2: Convert to fraction form
    404,577,292.86/558,316,645.89 = 218,938,313.61/x
  3. Step 3: Cross multiply
    404,577,292.86x = 558,316,645.89 × 218,938,313.61
  4. Step 4: Simplify right side
    404,577,292.86x = 122,236,904,911,548,144
  5. Step 5: Solve for x
    x = 122,236,904,911,548,144/404,577,292.86
  6. Step 6: Final answer
    x = 302,134,862.90

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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.