Home / 1,505,941,884.37-2,078,250,267.45-836,915,127.58

Finding the Fourth Proportional to 1,505,941,884.37, 2,078,250,267.45 and 836,915,127.58

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Solution

The fourth proportional to 1,505,941,884.37, 2,078,250,267.45 and 836,915,127.58 is: 1,154,970,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,941,884.37 : 2,078,250,267.45 = 836,915,127.58 : x
  2. Step 2: Convert to fraction form
    1,505,941,884.37/2,078,250,267.45 = 836,915,127.58/x
  3. Step 3: Cross multiply
    1,505,941,884.37x = 2,078,250,267.45 × 836,915,127.58
  4. Step 4: Simplify right side
    1,505,941,884.37x = 1,739,319,087,726,085,888
  5. Step 5: Solve for x
    x = 1,739,319,087,726,085,888/1,505,941,884.37
  6. Step 6: Final answer
    x = 1,154,970,922.70

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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.