Home / 1,990,672,079.40-2,986,008,119.10-536,796,469.80

Finding the Fourth Proportional to 1,990,672,079.40, 2,986,008,119.10 and 536,796,469.80

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Solution

The fourth proportional to 1,990,672,079.40, 2,986,008,119.10 and 536,796,469.80 is: 805,194,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,672,079.40 : 2,986,008,119.10 = 536,796,469.80 : x
  2. Step 2: Convert to fraction form
    1,990,672,079.40/2,986,008,119.10 = 536,796,469.80/x
  3. Step 3: Cross multiply
    1,990,672,079.40x = 2,986,008,119.10 × 536,796,469.80
  4. Step 4: Simplify right side
    1,990,672,079.40x = 1,602,878,617,127,017,984
  5. Step 5: Solve for x
    x = 1,602,878,617,127,017,984/1,990,672,079.40
  6. Step 6: Final answer
    x = 805,194,704.70

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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.