Home / 472,392,426.70-708,588,640.05-411,926,250.70

Finding the Fourth Proportional to 472,392,426.70, 708,588,640.05 and 411,926,250.70

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Solution

The fourth proportional to 472,392,426.70, 708,588,640.05 and 411,926,250.70 is: 617,889,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,426.70 : 708,588,640.05 = 411,926,250.70 : x
  2. Step 2: Convert to fraction form
    472,392,426.70/708,588,640.05 = 411,926,250.70/x
  3. Step 3: Cross multiply
    472,392,426.70x = 708,588,640.05 × 411,926,250.70
  4. Step 4: Simplify right side
    472,392,426.70x = 291,886,261,784,408,320
  5. Step 5: Solve for x
    x = 291,886,261,784,408,320/472,392,426.70
  6. Step 6: Final answer
    x = 617,889,376.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.