Home / 1,213,751,602,175.80-1,820,739,318,041.40-396,928,585,932.23

Finding the Fourth Proportional to 1,213,751,602,175.80, 1,820,739,318,041.40 and 396,928,585,932.23

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Solution

The fourth proportional to 1,213,751,602,175.80, 1,820,739,318,041.40 and 396,928,585,932.23 is: 595,429,477,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,751,602,175.80 : 1,820,739,318,041.40 = 396,928,585,932.23 : x
  2. Step 2: Convert to fraction form
    1,213,751,602,175.80/1,820,739,318,041.40 = 396,928,585,932.23/x
  3. Step 3: Cross multiply
    1,213,751,602,175.80x = 1,820,739,318,041.40 × 396,928,585,932.23
  4. Step 4: Simplify right side
    1,213,751,602,175.80x = 722,703,482,861,385,611,739,136
  5. Step 5: Solve for x
    x = 722,703,482,861,385,611,739,136/1,213,751,602,175.80
  6. Step 6: Final answer
    x = 595,429,477,963.90

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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.