Home / 42,550,272,032.80-63,825,408,049.20-19,331,260,448.80

Finding the Fourth Proportional to 42,550,272,032.80, 63,825,408,049.20 and 19,331,260,448.80

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Solution

The fourth proportional to 42,550,272,032.80, 63,825,408,049.20 and 19,331,260,448.80 is: 28,996,890,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550,272,032.80 : 63,825,408,049.20 = 19,331,260,448.80 : x
  2. Step 2: Convert to fraction form
    42,550,272,032.80/63,825,408,049.20 = 19,331,260,448.80/x
  3. Step 3: Cross multiply
    42,550,272,032.80x = 63,825,408,049.20 × 19,331,260,448.80
  4. Step 4: Simplify right side
    42,550,272,032.80x = 1,233,825,586,250,021,076,992
  5. Step 5: Solve for x
    x = 1,233,825,586,250,021,076,992/42,550,272,032.80
  6. Step 6: Final answer
    x = 28,996,890,673.20

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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.