Home / 1,172,382,965,445-1,758,675,749,194.30-323,439,495,447.22

Finding the Fourth Proportional to 1,172,382,965,445, 1,758,675,749,194.30 and 323,439,495,447.22

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Solution

The fourth proportional to 1,172,382,965,445, 1,758,675,749,194.30 and 323,439,495,447.22 is: 485,187,190,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,382,965,445 : 1,758,675,749,194.30 = 323,439,495,447.22 : x
  2. Step 2: Convert to fraction form
    1,172,382,965,445/1,758,675,749,194.30 = 323,439,495,447.22/x
  3. Step 3: Cross multiply
    1,172,382,965,445x = 1,758,675,749,194.30 × 323,439,495,447.22
  4. Step 4: Simplify right side
    1,172,382,965,445x = 568,825,196,974,665,984,114,688
  5. Step 5: Solve for x
    x = 568,825,196,974,665,984,114,688/1,172,382,965,445
  6. Step 6: Final answer
    x = 485,187,190,312.65

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Double scale
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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.