Home / 996,428,248.20-1,494,634,499.10-259,496,728.20

Finding the Fourth Proportional to 996,428,248.20, 1,494,634,499.10 and 259,496,728.20

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Solution

The fourth proportional to 996,428,248.20, 1,494,634,499.10 and 259,496,728.20 is: 389,243,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,428,248.20 : 1,494,634,499.10 = 259,496,728.20 : x
  2. Step 2: Convert to fraction form
    996,428,248.20/1,494,634,499.10 = 259,496,728.20/x
  3. Step 3: Cross multiply
    996,428,248.20x = 1,494,634,499.10 × 259,496,728.20
  4. Step 4: Simplify right side
    996,428,248.20x = 387,852,762,371,295,808
  5. Step 5: Solve for x
    x = 387,852,762,371,295,808/996,428,248.20
  6. Step 6: Final answer
    x = 389,243,041.91

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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.