Home / 1,488,475,480.91-2,232,774,861.24-439,213,649.40

Finding the Fourth Proportional to 1,488,475,480.91, 2,232,774,861.24 and 439,213,649.40

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Solution

The fourth proportional to 1,488,475,480.91, 2,232,774,861.24 and 439,213,649.40 is: 658,838,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,475,480.91 : 2,232,774,861.24 = 439,213,649.40 : x
  2. Step 2: Convert to fraction form
    1,488,475,480.91/2,232,774,861.24 = 439,213,649.40/x
  3. Step 3: Cross multiply
    1,488,475,480.91x = 2,232,774,861.24 × 439,213,649.40
  4. Step 4: Simplify right side
    1,488,475,480.91x = 980,665,195,095,468,032
  5. Step 5: Solve for x
    x = 980,665,195,095,468,032/1,488,475,480.91
  6. Step 6: Final answer
    x = 658,838,662.56

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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.