Home / 42,375,845,617.93-63,541,697,314.04-19,985,582,169.46

Finding the Fourth Proportional to 42,375,845,617.93, 63,541,697,314.04 and 19,985,582,169.46

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Solution

The fourth proportional to 42,375,845,617.93, 63,541,697,314.04 and 19,985,582,169.46 is: 29,967,963,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375,845,617.93 : 63,541,697,314.04 = 19,985,582,169.46 : x
  2. Step 2: Convert to fraction form
    42,375,845,617.93/63,541,697,314.04 = 19,985,582,169.46/x
  3. Step 3: Cross multiply
    42,375,845,617.93x = 63,541,697,314.04 × 19,985,582,169.46
  4. Step 4: Simplify right side
    42,375,845,617.93x = 1,269,917,812,856,284,774,400
  5. Step 5: Solve for x
    x = 1,269,917,812,856,284,774,400/42,375,845,617.93
  6. Step 6: Final answer
    x = 29,967,963,927.05

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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.