Home / 486,437,298,853.04-729,777,480,503.78-343,295,813,180.74

Finding the Fourth Proportional to 486,437,298,853.04, 729,777,480,503.78 and 343,295,813,180.74

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Solution

The fourth proportional to 486,437,298,853.04, 729,777,480,503.78 and 343,295,813,180.74 is: 515,029,489,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,437,298,853.04 : 729,777,480,503.78 = 343,295,813,180.74 : x
  2. Step 2: Convert to fraction form
    486,437,298,853.04/729,777,480,503.78 = 343,295,813,180.74/x
  3. Step 3: Cross multiply
    486,437,298,853.04x = 729,777,480,503.78 × 343,295,813,180.74
  4. Step 4: Simplify right side
    486,437,298,853.04x = 250,529,553,610,536,803,893,248
  5. Step 5: Solve for x
    x = 250,529,553,610,536,803,893,248/486,437,298,853.04
  6. Step 6: Final answer
    x = 515,029,489,311.89

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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.