Home / 496,078,666.20-744,117,999.30-388,465,277.40

Finding the Fourth Proportional to 496,078,666.20, 744,117,999.30 and 388,465,277.40

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Solution

The fourth proportional to 496,078,666.20, 744,117,999.30 and 388,465,277.40 is: 582,697,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,078,666.20 : 744,117,999.30 = 388,465,277.40 : x
  2. Step 2: Convert to fraction form
    496,078,666.20/744,117,999.30 = 388,465,277.40/x
  3. Step 3: Cross multiply
    496,078,666.20x = 744,117,999.30 × 388,465,277.40
  4. Step 4: Simplify right side
    496,078,666.20x = 289,064,005,016,407,488
  5. Step 5: Solve for x
    x = 289,064,005,016,407,488/496,078,666.20
  6. Step 6: Final answer
    x = 582,697,916.10

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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.