Home / 392,101,614,089.85-541,094,727,172.50-218,494,070,756.57

Finding the Fourth Proportional to 392,101,614,089.85, 541,094,727,172.50 and 218,494,070,756.57

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Solution

The fourth proportional to 392,101,614,089.85, 541,094,727,172.50 and 218,494,070,756.57 is: 301,518,752,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,101,614,089.85 : 541,094,727,172.50 = 218,494,070,756.57 : x
  2. Step 2: Convert to fraction form
    392,101,614,089.85/541,094,727,172.50 = 218,494,070,756.57/x
  3. Step 3: Cross multiply
    392,101,614,089.85x = 541,094,727,172.50 × 218,494,070,756.57
  4. Step 4: Simplify right side
    392,101,614,089.85x = 118,225,989,604,835,153,936,384
  5. Step 5: Solve for x
    x = 118,225,989,604,835,153,936,384/392,101,614,089.85
  6. Step 6: Final answer
    x = 301,518,752,681.66

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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.