Home / 772,616,480.60-1,159,441,332.78-330,062,584.10

Finding the Fourth Proportional to 772,616,480.60, 1,159,441,332.78 and 330,062,584.10

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Solution

The fourth proportional to 772,616,480.60, 1,159,441,332.78 and 330,062,584.10 is: 495,314,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,616,480.60 : 1,159,441,332.78 = 330,062,584.10 : x
  2. Step 2: Convert to fraction form
    772,616,480.60/1,159,441,332.78 = 330,062,584.10/x
  3. Step 3: Cross multiply
    772,616,480.60x = 1,159,441,332.78 × 330,062,584.10
  4. Step 4: Simplify right side
    772,616,480.60x = 382,688,202,403,917,632
  5. Step 5: Solve for x
    x = 382,688,202,403,917,632/772,616,480.60
  6. Step 6: Final answer
    x = 495,314,573.29

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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.