Home / 496,078,411.20-744,117,616.80-388,465,022.40

Finding the Fourth Proportional to 496,078,411.20, 744,117,616.80 and 388,465,022.40

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Solution

The fourth proportional to 496,078,411.20, 744,117,616.80 and 388,465,022.40 is: 582,697,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,078,411.20 : 744,117,616.80 = 388,465,022.40 : x
  2. Step 2: Convert to fraction form
    496,078,411.20/744,117,616.80 = 388,465,022.40/x
  3. Step 3: Cross multiply
    496,078,411.20x = 744,117,616.80 × 388,465,022.40
  4. Step 4: Simplify right side
    496,078,411.20x = 289,063,666,678,446,592
  5. Step 5: Solve for x
    x = 289,063,666,678,446,592/496,078,411.20
  6. Step 6: Final answer
    x = 582,697,533.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.