Home / 482,718,136.80-724,077,205.20-289,226,373.60

Finding the Fourth Proportional to 482,718,136.80, 724,077,205.20 and 289,226,373.60

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Solution

The fourth proportional to 482,718,136.80, 724,077,205.20 and 289,226,373.60 is: 433,839,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,718,136.80 : 724,077,205.20 = 289,226,373.60 : x
  2. Step 2: Convert to fraction form
    482,718,136.80/724,077,205.20 = 289,226,373.60/x
  3. Step 3: Cross multiply
    482,718,136.80x = 724,077,205.20 × 289,226,373.60
  4. Step 4: Simplify right side
    482,718,136.80x = 209,422,224,266,419,104
  5. Step 5: Solve for x
    x = 209,422,224,266,419,104/482,718,136.80
  6. Step 6: Final answer
    x = 433,839,560.40

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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.