Home / 1,173,659,839.20-1,760,489,758.80-561,439,807.20

Finding the Fourth Proportional to 1,173,659,839.20, 1,760,489,758.80 and 561,439,807.20

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Solution

The fourth proportional to 1,173,659,839.20, 1,760,489,758.80 and 561,439,807.20 is: 842,159,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,659,839.20 : 1,760,489,758.80 = 561,439,807.20 : x
  2. Step 2: Convert to fraction form
    1,173,659,839.20/1,760,489,758.80 = 561,439,807.20/x
  3. Step 3: Cross multiply
    1,173,659,839.20x = 1,760,489,758.80 × 561,439,807.20
  4. Step 4: Simplify right side
    1,173,659,839.20x = 988,409,030,758,246,528
  5. Step 5: Solve for x
    x = 988,409,030,758,246,528/1,173,659,839.20
  6. Step 6: Final answer
    x = 842,159,710.80

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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.