Home / 7,236,678,912.92-9,986,859,397.94-4,021,724,384.12

Finding the Fourth Proportional to 7,236,678,912.92, 9,986,859,397.94 and 4,021,724,384.12

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Solution

The fourth proportional to 7,236,678,912.92, 9,986,859,397.94 and 4,021,724,384.12 is: 5,550,114,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,678,912.92 : 9,986,859,397.94 = 4,021,724,384.12 : x
  2. Step 2: Convert to fraction form
    7,236,678,912.92/9,986,859,397.94 = 4,021,724,384.12/x
  3. Step 3: Cross multiply
    7,236,678,912.92x = 9,986,859,397.94 × 4,021,724,384.12
  4. Step 4: Simplify right side
    7,236,678,912.92x = 40,164,395,961,512,722,432
  5. Step 5: Solve for x
    x = 40,164,395,961,512,722,432/7,236,678,912.92
  6. Step 6: Final answer
    x = 5,550,114,416.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.