Home / 996,428,159.70-1,494,634,366.35-259,496,639.70

Finding the Fourth Proportional to 996,428,159.70, 1,494,634,366.35 and 259,496,639.70

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Solution

The fourth proportional to 996,428,159.70, 1,494,634,366.35 and 259,496,639.70 is: 389,242,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,428,159.70 : 1,494,634,366.35 = 259,496,639.70 : x
  2. Step 2: Convert to fraction form
    996,428,159.70/1,494,634,366.35 = 259,496,639.70/x
  3. Step 3: Cross multiply
    996,428,159.70x = 1,494,634,366.35 × 259,496,639.70
  4. Step 4: Simplify right side
    996,428,159.70x = 387,852,595,647,963,712
  5. Step 5: Solve for x
    x = 387,852,595,647,963,712/996,428,159.70
  6. Step 6: Final answer
    x = 389,242,909.16

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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.