Home / 472,392,428.20-708,588,642.30-411,926,252.20

Finding the Fourth Proportional to 472,392,428.20, 708,588,642.30 and 411,926,252.20

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Solution

The fourth proportional to 472,392,428.20, 708,588,642.30 and 411,926,252.20 is: 617,889,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,428.20 : 708,588,642.30 = 411,926,252.20 : x
  2. Step 2: Convert to fraction form
    472,392,428.20/708,588,642.30 = 411,926,252.20/x
  3. Step 3: Cross multiply
    472,392,428.20x = 708,588,642.30 × 411,926,252.20
  4. Step 4: Simplify right side
    472,392,428.20x = 291,886,263,774,125,376
  5. Step 5: Solve for x
    x = 291,886,263,774,125,376/472,392,428.20
  6. Step 6: Final answer
    x = 617,889,378.30

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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.