Home / 881,999,627.20-1,323,198,755.88-291,788,482.12

Finding the Fourth Proportional to 881,999,627.20, 1,323,198,755.88 and 291,788,482.12

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Solution

The fourth proportional to 881,999,627.20, 1,323,198,755.88 and 291,788,482.12 is: 437,748,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,999,627.20 : 1,323,198,755.88 = 291,788,482.12 : x
  2. Step 2: Convert to fraction form
    881,999,627.20/1,323,198,755.88 = 291,788,482.12/x
  3. Step 3: Cross multiply
    881,999,627.20x = 1,323,198,755.88 × 291,788,482.12
  4. Step 4: Simplify right side
    881,999,627.20x = 386,094,156,521,297,664
  5. Step 5: Solve for x
    x = 386,094,156,521,297,664/881,999,627.20
  6. Step 6: Final answer
    x = 437,748,661.81

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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.