Home / 529,821,418,821.78-731,156,528,523.96-301,450,656,074.70

Finding the Fourth Proportional to 529,821,418,821.78, 731,156,528,523.96 and 301,450,656,074.70

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Solution

The fourth proportional to 529,821,418,821.78, 731,156,528,523.96 and 301,450,656,074.70 is: 416,003,595,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,821,418,821.78 : 731,156,528,523.96 = 301,450,656,074.70 : x
  2. Step 2: Convert to fraction form
    529,821,418,821.78/731,156,528,523.96 = 301,450,656,074.70/x
  3. Step 3: Cross multiply
    529,821,418,821.78x = 731,156,528,523.96 × 301,450,656,074.70
  4. Step 4: Simplify right side
    529,821,418,821.78x = 220,407,615,216,847,859,744,768
  5. Step 5: Solve for x
    x = 220,407,615,216,847,859,744,768/529,821,418,821.78
  6. Step 6: Final answer
    x = 416,003,595,526.57

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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.