Home / 397,963,002.54-549,181,587.44-216,911,544.30

Finding the Fourth Proportional to 397,963,002.54, 549,181,587.44 and 216,911,544.30

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Solution

The fourth proportional to 397,963,002.54, 549,181,587.44 and 216,911,544.30 is: 299,333,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,963,002.54 : 549,181,587.44 = 216,911,544.30 : x
  2. Step 2: Convert to fraction form
    397,963,002.54/549,181,587.44 = 216,911,544.30/x
  3. Step 3: Cross multiply
    397,963,002.54x = 549,181,587.44 × 216,911,544.30
  4. Step 4: Simplify right side
    397,963,002.54x = 119,123,826,232,735,904
  5. Step 5: Solve for x
    x = 119,123,826,232,735,904/397,963,002.54
  6. Step 6: Final answer
    x = 299,333,921.68

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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.