Home / 876,113,131.80-1,314,169,697.70-531,455,928.60

Finding the Fourth Proportional to 876,113,131.80, 1,314,169,697.70 and 531,455,928.60

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Solution

The fourth proportional to 876,113,131.80, 1,314,169,697.70 and 531,455,928.60 is: 797,183,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,113,131.80 : 1,314,169,697.70 = 531,455,928.60 : x
  2. Step 2: Convert to fraction form
    876,113,131.80/1,314,169,697.70 = 531,455,928.60/x
  3. Step 3: Cross multiply
    876,113,131.80x = 1,314,169,697.70 × 531,455,928.60
  4. Step 4: Simplify right side
    876,113,131.80x = 698,423,277,029,134,848
  5. Step 5: Solve for x
    x = 698,423,277,029,134,848/876,113,131.80
  6. Step 6: Final answer
    x = 797,183,892.90

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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.