Home / 897,124,418.20-1,346,288,489.70-314,857,538.20

Finding the Fourth Proportional to 897,124,418.20, 1,346,288,489.70 and 314,857,538.20

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Solution

The fourth proportional to 897,124,418.20, 1,346,288,489.70 and 314,857,538.20 is: 472,497,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,124,418.20 : 1,346,288,489.70 = 314,857,538.20 : x
  2. Step 2: Convert to fraction form
    897,124,418.20/1,346,288,489.70 = 314,857,538.20/x
  3. Step 3: Cross multiply
    897,124,418.20x = 1,346,288,489.70 × 314,857,538.20
  4. Step 4: Simplify right side
    897,124,418.20x = 423,889,079,573,938,048
  5. Step 5: Solve for x
    x = 423,889,079,573,938,048/897,124,418.20
  6. Step 6: Final answer
    x = 472,497,538.77

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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.