Home / 487,485,941.65-672,731,903.42-264,467,623.28

Finding the Fourth Proportional to 487,485,941.65, 672,731,903.42 and 264,467,623.28

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Solution

The fourth proportional to 487,485,941.65, 672,731,903.42 and 264,467,623.28 is: 364,966,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,941.65 : 672,731,903.42 = 264,467,623.28 : x
  2. Step 2: Convert to fraction form
    487,485,941.65/672,731,903.42 = 264,467,623.28/x
  3. Step 3: Cross multiply
    487,485,941.65x = 672,731,903.42 × 264,467,623.28
  4. Step 4: Simplify right side
    487,485,941.65x = 177,915,807,599,415,424
  5. Step 5: Solve for x
    x = 177,915,807,599,415,424/487,485,941.65
  6. Step 6: Final answer
    x = 364,966,027.53

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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.