Home / 1,853,104,143.53-2,779,653,867.82-472,918,682.45

Finding the Fourth Proportional to 1,853,104,143.53, 2,779,653,867.82 and 472,918,682.45

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Solution

The fourth proportional to 1,853,104,143.53, 2,779,653,867.82 and 472,918,682.45 is: 709,377,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,104,143.53 : 2,779,653,867.82 = 472,918,682.45 : x
  2. Step 2: Convert to fraction form
    1,853,104,143.53/2,779,653,867.82 = 472,918,682.45/x
  3. Step 3: Cross multiply
    1,853,104,143.53x = 2,779,653,867.82 × 472,918,682.45
  4. Step 4: Simplify right side
    1,853,104,143.53x = 1,314,550,244,842,247,680
  5. Step 5: Solve for x
    x = 1,314,550,244,842,247,680/1,853,104,143.53
  6. Step 6: Final answer
    x = 709,377,424.59

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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.