Home / 321,812,117.20-482,718,175.80-192,817,608.40

Finding the Fourth Proportional to 321,812,117.20, 482,718,175.80 and 192,817,608.40

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Solution

The fourth proportional to 321,812,117.20, 482,718,175.80 and 192,817,608.40 is: 289,226,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,812,117.20 : 482,718,175.80 = 192,817,608.40 : x
  2. Step 2: Convert to fraction form
    321,812,117.20/482,718,175.80 = 192,817,608.40/x
  3. Step 3: Cross multiply
    321,812,117.20x = 482,718,175.80 × 192,817,608.40
  4. Step 4: Simplify right side
    321,812,117.20x = 93,076,564,188,966,768
  5. Step 5: Solve for x
    x = 93,076,564,188,966,768/321,812,117.20
  6. Step 6: Final answer
    x = 289,226,412.60

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1.5x scale

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.