Home / 901,198,701.51-1,351,950,662.75-310,828,636.71

Finding the Fourth Proportional to 901,198,701.51, 1,351,950,662.75 and 310,828,636.71

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Solution

The fourth proportional to 901,198,701.51, 1,351,950,662.75 and 310,828,636.71 is: 466,295,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,198,701.51 : 1,351,950,662.75 = 310,828,636.71 : x
  2. Step 2: Convert to fraction form
    901,198,701.51/1,351,950,662.75 = 310,828,636.71/x
  3. Step 3: Cross multiply
    901,198,701.51x = 1,351,950,662.75 × 310,828,636.71
  4. Step 4: Simplify right side
    901,198,701.51x = 420,224,981,400,209,280
  5. Step 5: Solve for x
    x = 420,224,981,400,209,280/901,198,701.51
  6. Step 6: Final answer
    x = 466,295,591.30

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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.