Home / 343,690,737.81-474,303,289.82-187,067,989.23

Finding the Fourth Proportional to 343,690,737.81, 474,303,289.82 and 187,067,989.23

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Solution

The fourth proportional to 343,690,737.81, 474,303,289.82 and 187,067,989.23 is: 258,159,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,690,737.81 : 474,303,289.82 = 187,067,989.23 : x
  2. Step 2: Convert to fraction form
    343,690,737.81/474,303,289.82 = 187,067,989.23/x
  3. Step 3: Cross multiply
    343,690,737.81x = 474,303,289.82 × 187,067,989.23
  4. Step 4: Simplify right side
    343,690,737.81x = 88,726,962,710,865,984
  5. Step 5: Solve for x
    x = 88,726,962,710,865,984/343,690,737.81
  6. Step 6: Final answer
    x = 258,159,307.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.