Home / 191,180,478,998.46-286,629,343,636.15-115,616,830,587.09

Finding the Fourth Proportional to 191,180,478,998.46, 286,629,343,636.15 and 115,616,830,587.09

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Solution

The fourth proportional to 191,180,478,998.46, 286,629,343,636.15 and 115,616,830,587.09 is: 173,339,749,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180,478,998.46 : 286,629,343,636.15 = 115,616,830,587.09 : x
  2. Step 2: Convert to fraction form
    191,180,478,998.46/286,629,343,636.15 = 115,616,830,587.09/x
  3. Step 3: Cross multiply
    191,180,478,998.46x = 286,629,343,636.15 × 115,616,830,587.09
  4. Step 4: Simplify right side
    191,180,478,998.46x = 33,139,176,264,469,558,853,632
  5. Step 5: Solve for x
    x = 33,139,176,264,469,558,853,632/191,180,478,998.46
  6. Step 6: Final answer
    x = 173,339,749,110.77

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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.