Home / 472,392,341.20-708,588,511.80-411,926,165.20

Finding the Fourth Proportional to 472,392,341.20, 708,588,511.80 and 411,926,165.20

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Solution

The fourth proportional to 472,392,341.20, 708,588,511.80 and 411,926,165.20 is: 617,889,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,341.20 : 708,588,511.80 = 411,926,165.20 : x
  2. Step 2: Convert to fraction form
    472,392,341.20/708,588,511.80 = 411,926,165.20/x
  3. Step 3: Cross multiply
    472,392,341.20x = 708,588,511.80 × 411,926,165.20
  4. Step 4: Simplify right side
    472,392,341.20x = 291,886,148,370,548,928
  5. Step 5: Solve for x
    x = 291,886,148,370,548,928/472,392,341.20
  6. Step 6: Final answer
    x = 617,889,247.80

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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.