Home / 778,570,536.14-1,167,858,834.09-188,359,828.74

Finding the Fourth Proportional to 778,570,536.14, 1,167,858,834.09 and 188,359,828.74

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Solution

The fourth proportional to 778,570,536.14, 1,167,858,834.09 and 188,359,828.74 is: 282,540,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,570,536.14 : 1,167,858,834.09 = 188,359,828.74 : x
  2. Step 2: Convert to fraction form
    778,570,536.14/1,167,858,834.09 = 188,359,828.74/x
  3. Step 3: Cross multiply
    778,570,536.14x = 1,167,858,834.09 × 188,359,828.74
  4. Step 4: Simplify right side
    778,570,536.14x = 219,977,689,981,688,480
  5. Step 5: Solve for x
    x = 219,977,689,981,688,480/778,570,536.14
  6. Step 6: Final answer
    x = 282,540,476.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.