Home / 827,160,919.80-1,239,465,921.30-717,471,497.40

Finding the Fourth Proportional to 827,160,919.80, 1,239,465,921.30 and 717,471,497.40

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Solution

The fourth proportional to 827,160,919.80, 1,239,465,921.30 and 717,471,497.40 is: 1,075,100,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,160,919.80 : 1,239,465,921.30 = 717,471,497.40 : x
  2. Step 2: Convert to fraction form
    827,160,919.80/1,239,465,921.30 = 717,471,497.40/x
  3. Step 3: Cross multiply
    827,160,919.80x = 1,239,465,921.30 × 717,471,497.40
  4. Step 4: Simplify right side
    827,160,919.80x = 889,281,470,531,381,504
  5. Step 5: Solve for x
    x = 889,281,470,531,381,504/827,160,919.80
  6. Step 6: Final answer
    x = 1,075,100,925.64

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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.