Home / 852,041,047.86-1,175,727,072.24-494,738,981.10

Finding the Fourth Proportional to 852,041,047.86, 1,175,727,072.24 and 494,738,981.10

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Solution

The fourth proportional to 852,041,047.86, 1,175,727,072.24 and 494,738,981.10 is: 682,687,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,041,047.86 : 1,175,727,072.24 = 494,738,981.10 : x
  2. Step 2: Convert to fraction form
    852,041,047.86/1,175,727,072.24 = 494,738,981.10/x
  3. Step 3: Cross multiply
    852,041,047.86x = 1,175,727,072.24 × 494,738,981.10
  4. Step 4: Simplify right side
    852,041,047.86x = 581,678,013,771,703,680
  5. Step 5: Solve for x
    x = 581,678,013,771,703,680/852,041,047.86
  6. Step 6: Final answer
    x = 682,687,782.75

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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.