Home / 1,387,392,752.77-2,080,258,048.07-441,582,299.36

Finding the Fourth Proportional to 1,387,392,752.77, 2,080,258,048.07 and 441,582,299.36

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Solution

The fourth proportional to 1,387,392,752.77, 2,080,258,048.07 and 441,582,299.36 is: 662,108,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,392,752.77 : 2,080,258,048.07 = 441,582,299.36 : x
  2. Step 2: Convert to fraction form
    1,387,392,752.77/2,080,258,048.07 = 441,582,299.36/x
  3. Step 3: Cross multiply
    1,387,392,752.77x = 2,080,258,048.07 × 441,582,299.36
  4. Step 4: Simplify right side
    1,387,392,752.77x = 918,605,132,128,896,000
  5. Step 5: Solve for x
    x = 918,605,132,128,896,000/1,387,392,752.77
  6. Step 6: Final answer
    x = 662,108,930.79

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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.