Home / 456,752,901.58-630,317,414.82-247,909,043.68

Finding the Fourth Proportional to 456,752,901.58, 630,317,414.82 and 247,909,043.68

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Solution

The fourth proportional to 456,752,901.58, 630,317,414.82 and 247,909,043.68 is: 342,113,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,752,901.58 : 630,317,414.82 = 247,909,043.68 : x
  2. Step 2: Convert to fraction form
    456,752,901.58/630,317,414.82 = 247,909,043.68/x
  3. Step 3: Cross multiply
    456,752,901.58x = 630,317,414.82 × 247,909,043.68
  4. Step 4: Simplify right side
    456,752,901.58x = 156,261,387,522,876,064
  5. Step 5: Solve for x
    x = 156,261,387,522,876,064/456,752,901.58
  6. Step 6: Final answer
    x = 342,113,617.63

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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.