Home / 648,041,158.92-894,011,813.60-379,980,165.54

Finding the Fourth Proportional to 648,041,158.92, 894,011,813.60 and 379,980,165.54

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Solution

The fourth proportional to 648,041,158.92, 894,011,813.60 and 379,980,165.54 is: 524,205,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,041,158.92 : 894,011,813.60 = 379,980,165.54 : x
  2. Step 2: Convert to fraction form
    648,041,158.92/894,011,813.60 = 379,980,165.54/x
  3. Step 3: Cross multiply
    648,041,158.92x = 894,011,813.60 × 379,980,165.54
  4. Step 4: Simplify right side
    648,041,158.92x = 339,706,756,926,443,648
  5. Step 5: Solve for x
    x = 339,706,756,926,443,648/648,041,158.92
  6. Step 6: Final answer
    x = 524,205,526.53

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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.