Home / 1,259,713,444.20-1,889,570,166.30-647,493,412.20

Finding the Fourth Proportional to 1,259,713,444.20, 1,889,570,166.30 and 647,493,412.20

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Solution

The fourth proportional to 1,259,713,444.20, 1,889,570,166.30 and 647,493,412.20 is: 971,240,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,444.20 : 1,889,570,166.30 = 647,493,412.20 : x
  2. Step 2: Convert to fraction form
    1,259,713,444.20/1,889,570,166.30 = 647,493,412.20/x
  3. Step 3: Cross multiply
    1,259,713,444.20x = 1,889,570,166.30 × 647,493,412.20
  4. Step 4: Simplify right side
    1,259,713,444.20x = 1,223,484,234,568,908,544
  5. Step 5: Solve for x
    x = 1,223,484,234,568,908,544/1,259,713,444.20
  6. Step 6: Final answer
    x = 971,240,118.30

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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.