Home / 1,490,751,216.20-2,236,126,824.30-509,285,977.40

Finding the Fourth Proportional to 1,490,751,216.20, 2,236,126,824.30 and 509,285,977.40

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Solution

The fourth proportional to 1,490,751,216.20, 2,236,126,824.30 and 509,285,977.40 is: 763,928,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,751,216.20 : 2,236,126,824.30 = 509,285,977.40 : x
  2. Step 2: Convert to fraction form
    1,490,751,216.20/2,236,126,824.30 = 509,285,977.40/x
  3. Step 3: Cross multiply
    1,490,751,216.20x = 2,236,126,824.30 × 509,285,977.40
  4. Step 4: Simplify right side
    1,490,751,216.20x = 1,138,828,035,303,983,616
  5. Step 5: Solve for x
    x = 1,138,828,035,303,983,616/1,490,751,216.20
  6. Step 6: Final answer
    x = 763,928,966.10

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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.