Home / 302,778,837.32-417,834,963.76-163,549,600.44

Finding the Fourth Proportional to 302,778,837.32, 417,834,963.76 and 163,549,600.44

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Solution

The fourth proportional to 302,778,837.32, 417,834,963.76 and 163,549,600.44 is: 225,698,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,837.32 : 417,834,963.76 = 163,549,600.44 : x
  2. Step 2: Convert to fraction form
    302,778,837.32/417,834,963.76 = 163,549,600.44/x
  3. Step 3: Cross multiply
    302,778,837.32x = 417,834,963.76 × 163,549,600.44
  4. Step 4: Simplify right side
    302,778,837.32x = 68,336,741,372,809,880
  5. Step 5: Solve for x
    x = 68,336,741,372,809,880/302,778,837.32
  6. Step 6: Final answer
    x = 225,698,539.49

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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.