Home / 487,497,476.56-672,747,795.36-264,479,146.76

Finding the Fourth Proportional to 487,497,476.56, 672,747,795.36 and 264,479,146.76

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Solution

The fourth proportional to 487,497,476.56, 672,747,795.36 and 264,479,146.76 is: 364,981,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,497,476.56 : 672,747,795.36 = 264,479,146.76 : x
  2. Step 2: Convert to fraction form
    487,497,476.56/672,747,795.36 = 264,479,146.76/x
  3. Step 3: Cross multiply
    487,497,476.56x = 672,747,795.36 × 264,479,146.76
  4. Step 4: Simplify right side
    487,497,476.56x = 177,927,762,901,483,872
  5. Step 5: Solve for x
    x = 177,927,762,901,483,872/487,497,476.56
  6. Step 6: Final answer
    x = 364,981,915.72

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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.