Home / 645,302,161,109.76-890,595,070,717.20-367,272,323,537.04

Finding the Fourth Proportional to 645,302,161,109.76, 890,595,070,717.20 and 367,272,323,537.04

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Solution

The fourth proportional to 645,302,161,109.76, 890,595,070,717.20 and 367,272,323,537.04 is: 506,880,250,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,161,109.76 : 890,595,070,717.20 = 367,272,323,537.04 : x
  2. Step 2: Convert to fraction form
    645,302,161,109.76/890,595,070,717.20 = 367,272,323,537.04/x
  3. Step 3: Cross multiply
    645,302,161,109.76x = 890,595,070,717.20 × 367,272,323,537.04
  4. Step 4: Simplify right side
    645,302,161,109.76x = 327,090,920,952,940,485,148,672
  5. Step 5: Solve for x
    x = 327,090,920,952,940,485,148,672/645,302,161,109.76
  6. Step 6: Final answer
    x = 506,880,250,316.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.