Home / 487,497,444.37-672,747,750.79-264,479,114.45

Finding the Fourth Proportional to 487,497,444.37, 672,747,750.79 and 264,479,114.45

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Solution

The fourth proportional to 487,497,444.37, 672,747,750.79 and 264,479,114.45 is: 364,981,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,497,444.37 : 672,747,750.79 = 264,479,114.45 : x
  2. Step 2: Convert to fraction form
    487,497,444.37/672,747,750.79 = 264,479,114.45/x
  3. Step 3: Cross multiply
    487,497,444.37x = 672,747,750.79 × 264,479,114.45
  4. Step 4: Simplify right side
    487,497,444.37x = 177,927,729,378,189,152
  5. Step 5: Solve for x
    x = 177,927,729,378,189,152/487,497,444.37
  6. Step 6: Final answer
    x = 364,981,871.05

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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.