Home / 6,786,215,959.20-10,179,323,938.80-1,878,889,765.20

Finding the Fourth Proportional to 6,786,215,959.20, 10,179,323,938.80 and 1,878,889,765.20

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Solution

The fourth proportional to 6,786,215,959.20, 10,179,323,938.80 and 1,878,889,765.20 is: 2,818,334,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,215,959.20 : 10,179,323,938.80 = 1,878,889,765.20 : x
  2. Step 2: Convert to fraction form
    6,786,215,959.20/10,179,323,938.80 = 1,878,889,765.20/x
  3. Step 3: Cross multiply
    6,786,215,959.20x = 10,179,323,938.80 × 1,878,889,765.20
  4. Step 4: Simplify right side
    6,786,215,959.20x = 19,125,827,565,266,669,568
  5. Step 5: Solve for x
    x = 19,125,827,565,266,669,568/6,786,215,959.20
  6. Step 6: Final answer
    x = 2,818,334,647.80

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1.5x scale

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.