Home / 721,193,334,111.12-1,081,824,793,447.40-237,136,837,709.82

Finding the Fourth Proportional to 721,193,334,111.12, 1,081,824,793,447.40 and 237,136,837,709.82

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Solution

The fourth proportional to 721,193,334,111.12, 1,081,824,793,447.40 and 237,136,837,709.82 is: 355,716,696,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,193,334,111.12 : 1,081,824,793,447.40 = 237,136,837,709.82 : x
  2. Step 2: Convert to fraction form
    721,193,334,111.12/1,081,824,793,447.40 = 237,136,837,709.82/x
  3. Step 3: Cross multiply
    721,193,334,111.12x = 1,081,824,793,447.40 × 237,136,837,709.82
  4. Step 4: Simplify right side
    721,193,334,111.12x = 256,540,510,474,195,655,720,960
  5. Step 5: Solve for x
    x = 256,540,510,474,195,655,720,960/721,193,334,111.12
  6. Step 6: Final answer
    x = 355,716,696,675.22

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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.