Home / 885,014,705.68-1,221,305,586.04-488,527,439.56

Finding the Fourth Proportional to 885,014,705.68, 1,221,305,586.04 and 488,527,439.56

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Solution

The fourth proportional to 885,014,705.68, 1,221,305,586.04 and 488,527,439.56 is: 674,159,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,014,705.68 : 1,221,305,586.04 = 488,527,439.56 : x
  2. Step 2: Convert to fraction form
    885,014,705.68/1,221,305,586.04 = 488,527,439.56/x
  3. Step 3: Cross multiply
    885,014,705.68x = 1,221,305,586.04 × 488,527,439.56
  4. Step 4: Simplify right side
    885,014,705.68x = 596,641,290,865,979,392
  5. Step 5: Solve for x
    x = 596,641,290,865,979,392/885,014,705.68
  6. Step 6: Final answer
    x = 674,159,747.90

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Double scale
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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.