Home / 648,041,156.91-894,011,810.85-379,980,163.53

Finding the Fourth Proportional to 648,041,156.91, 894,011,810.85 and 379,980,163.53

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Solution

The fourth proportional to 648,041,156.91, 894,011,810.85 and 379,980,163.53 is: 524,205,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,041,156.91 : 894,011,810.85 = 379,980,163.53 : x
  2. Step 2: Convert to fraction form
    648,041,156.91/894,011,810.85 = 379,980,163.53/x
  3. Step 3: Cross multiply
    648,041,156.91x = 894,011,810.85 × 379,980,163.53
  4. Step 4: Simplify right side
    648,041,156.91x = 339,706,754,084,534,400
  5. Step 5: Solve for x
    x = 339,706,754,084,534,400/648,041,156.91
  6. Step 6: Final answer
    x = 524,205,523.77

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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.