Home / 262,211,411.80-393,317,117.70-251,015,721.40

Finding the Fourth Proportional to 262,211,411.80, 393,317,117.70 and 251,015,721.40

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Solution

The fourth proportional to 262,211,411.80, 393,317,117.70 and 251,015,721.40 is: 376,523,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,211,411.80 : 393,317,117.70 = 251,015,721.40 : x
  2. Step 2: Convert to fraction form
    262,211,411.80/393,317,117.70 = 251,015,721.40/x
  3. Step 3: Cross multiply
    262,211,411.80x = 393,317,117.70 × 251,015,721.40
  4. Step 4: Simplify right side
    262,211,411.80x = 98,728,780,038,434,208
  5. Step 5: Solve for x
    x = 98,728,780,038,434,208/262,211,411.80
  6. Step 6: Final answer
    x = 376,523,582.10

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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.