Home / 314,972,974.36-472,700,608.26-142,570,859.32

Finding the Fourth Proportional to 314,972,974.36, 472,700,608.26 and 142,570,859.32

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Solution

The fourth proportional to 314,972,974.36, 472,700,608.26 and 142,570,859.32 is: 213,965,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972,974.36 : 472,700,608.26 = 142,570,859.32 : x
  2. Step 2: Convert to fraction form
    314,972,974.36/472,700,608.26 = 142,570,859.32/x
  3. Step 3: Cross multiply
    314,972,974.36x = 472,700,608.26 × 142,570,859.32
  4. Step 4: Simplify right side
    314,972,974.36x = 67,393,331,920,714,888
  5. Step 5: Solve for x
    x = 67,393,331,920,714,888/314,972,974.36
  6. Step 6: Final answer
    x = 213,965,442.77

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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.