Home / 885,014,707.68-1,221,305,588.80-488,527,441.56

Finding the Fourth Proportional to 885,014,707.68, 1,221,305,588.80 and 488,527,441.56

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Solution

The fourth proportional to 885,014,707.68, 1,221,305,588.80 and 488,527,441.56 is: 674,159,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,014,707.68 : 1,221,305,588.80 = 488,527,441.56 : x
  2. Step 2: Convert to fraction form
    885,014,707.68/1,221,305,588.80 = 488,527,441.56/x
  3. Step 3: Cross multiply
    885,014,707.68x = 1,221,305,588.80 × 488,527,441.56
  4. Step 4: Simplify right side
    885,014,707.68x = 596,641,294,659,393,408
  5. Step 5: Solve for x
    x = 596,641,294,659,393,408/885,014,707.68
  6. Step 6: Final answer
    x = 674,159,750.66

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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.