Home / 1,387,264,857.96-2,080,792,627.71-441,824,739.50

Finding the Fourth Proportional to 1,387,264,857.96, 2,080,792,627.71 and 441,824,739.50

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Solution

The fourth proportional to 1,387,264,857.96, 2,080,792,627.71 and 441,824,739.50 is: 662,703,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,264,857.96 : 2,080,792,627.71 = 441,824,739.50 : x
  2. Step 2: Convert to fraction form
    1,387,264,857.96/2,080,792,627.71 = 441,824,739.50/x
  3. Step 3: Cross multiply
    1,387,264,857.96x = 2,080,792,627.71 × 441,824,739.50
  4. Step 4: Simplify right side
    1,387,264,857.96x = 919,345,660,681,087,232
  5. Step 5: Solve for x
    x = 919,345,660,681,087,232/1,387,264,857.96
  6. Step 6: Final answer
    x = 662,703,776.72

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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.