Home / 619,831,473.05-855,406,118.28-341,372,922.77

Finding the Fourth Proportional to 619,831,473.05, 855,406,118.28 and 341,372,922.77

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Solution

The fourth proportional to 619,831,473.05, 855,406,118.28 and 341,372,922.77 is: 471,115,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,831,473.05 : 855,406,118.28 = 341,372,922.77 : x
  2. Step 2: Convert to fraction form
    619,831,473.05/855,406,118.28 = 341,372,922.77/x
  3. Step 3: Cross multiply
    619,831,473.05x = 855,406,118.28 × 341,372,922.77
  4. Step 4: Simplify right side
    619,831,473.05x = 292,012,486,748,306,880
  5. Step 5: Solve for x
    x = 292,012,486,748,306,880/619,831,473.05
  6. Step 6: Final answer
    x = 471,115,939.49

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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.