Home / 645,302,161,110.76-890,595,070,718.58-367,272,323,538.04

Finding the Fourth Proportional to 645,302,161,110.76, 890,595,070,718.58 and 367,272,323,538.04

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Solution

The fourth proportional to 645,302,161,110.76, 890,595,070,718.58 and 367,272,323,538.04 is: 506,880,250,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,161,110.76 : 890,595,070,718.58 = 367,272,323,538.04 : x
  2. Step 2: Convert to fraction form
    645,302,161,110.76/890,595,070,718.58 = 367,272,323,538.04/x
  3. Step 3: Cross multiply
    645,302,161,110.76x = 890,595,070,718.58 × 367,272,323,538.04
  4. Step 4: Simplify right side
    645,302,161,110.76x = 327,090,920,954,337,893,023,744
  5. Step 5: Solve for x
    x = 327,090,920,954,337,893,023,744/645,302,161,110.76
  6. Step 6: Final answer
    x = 506,880,250,317.64

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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.