Home / 1,103,839,858.80-1,656,908,225.52-813,035,343.60

Finding the Fourth Proportional to 1,103,839,858.80, 1,656,908,225.52 and 813,035,343.60

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Solution

The fourth proportional to 1,103,839,858.80, 1,656,908,225.52 and 813,035,343.60 is: 1,220,398,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,839,858.80 : 1,656,908,225.52 = 813,035,343.60 : x
  2. Step 2: Convert to fraction form
    1,103,839,858.80/1,656,908,225.52 = 813,035,343.60/x
  3. Step 3: Cross multiply
    1,103,839,858.80x = 1,656,908,225.52 × 813,035,343.60
  4. Step 4: Simplify right side
    1,103,839,858.80x = 1,347,124,948,449,319,424
  5. Step 5: Solve for x
    x = 1,347,124,948,449,319,424/1,103,839,858.80
  6. Step 6: Final answer
    x = 1,220,398,899.09

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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.