Home / 839,810,998.80-1,259,716,498.20-801,547,246.80

Finding the Fourth Proportional to 839,810,998.80, 1,259,716,498.20 and 801,547,246.80

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Solution

The fourth proportional to 839,810,998.80, 1,259,716,498.20 and 801,547,246.80 is: 1,202,320,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,998.80 : 1,259,716,498.20 = 801,547,246.80 : x
  2. Step 2: Convert to fraction form
    839,810,998.80/1,259,716,498.20 = 801,547,246.80/x
  3. Step 3: Cross multiply
    839,810,998.80x = 1,259,716,498.20 × 801,547,246.80
  4. Step 4: Simplify right side
    839,810,998.80x = 1,009,722,290,880,747,136
  5. Step 5: Solve for x
    x = 1,009,722,290,880,747,136/839,810,998.80
  6. Step 6: Final answer
    x = 1,202,320,870.20

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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.