Home / 486,437,298,854.55-729,777,480,506.05-343,295,813,182.25

Finding the Fourth Proportional to 486,437,298,854.55, 729,777,480,506.05 and 343,295,813,182.25

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Solution

The fourth proportional to 486,437,298,854.55, 729,777,480,506.05 and 343,295,813,182.25 is: 515,029,489,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,437,298,854.55 : 729,777,480,506.05 = 343,295,813,182.25 : x
  2. Step 2: Convert to fraction form
    486,437,298,854.55/729,777,480,506.05 = 343,295,813,182.25/x
  3. Step 3: Cross multiply
    486,437,298,854.55x = 729,777,480,506.05 × 343,295,813,182.25
  4. Step 4: Simplify right side
    486,437,298,854.55x = 250,529,553,612,418,033,123,328
  5. Step 5: Solve for x
    x = 250,529,553,612,418,033,123,328/486,437,298,854.55
  6. Step 6: Final answer
    x = 515,029,489,314.16

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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.