Home / 885,014,708.68-1,221,305,590.18-488,527,442.56

Finding the Fourth Proportional to 885,014,708.68, 1,221,305,590.18 and 488,527,442.56

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Solution

The fourth proportional to 885,014,708.68, 1,221,305,590.18 and 488,527,442.56 is: 674,159,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,014,708.68 : 1,221,305,590.18 = 488,527,442.56 : x
  2. Step 2: Convert to fraction form
    885,014,708.68/1,221,305,590.18 = 488,527,442.56/x
  3. Step 3: Cross multiply
    885,014,708.68x = 1,221,305,590.18 × 488,527,442.56
  4. Step 4: Simplify right side
    885,014,708.68x = 596,641,296,554,866,944
  5. Step 5: Solve for x
    x = 596,641,296,554,866,944/885,014,708.68
  6. Step 6: Final answer
    x = 674,159,752.04

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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.