Home / 7,280,731,000.80-10,921,096,501.20-7,208,171,589.60

Finding the Fourth Proportional to 7,280,731,000.80, 10,921,096,501.20 and 7,208,171,589.60

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Solution

The fourth proportional to 7,280,731,000.80, 10,921,096,501.20 and 7,208,171,589.60 is: 10,812,257,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,731,000.80 : 10,921,096,501.20 = 7,208,171,589.60 : x
  2. Step 2: Convert to fraction form
    7,280,731,000.80/10,921,096,501.20 = 7,208,171,589.60/x
  3. Step 3: Cross multiply
    7,280,731,000.80x = 10,921,096,501.20 × 7,208,171,589.60
  4. Step 4: Simplify right side
    7,280,731,000.80x = 78,721,137,527,229,808,640
  5. Step 5: Solve for x
    x = 78,721,137,527,229,808,640/7,280,731,000.80
  6. Step 6: Final answer
    x = 10,812,257,384.40

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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.