Home / 446,359,838.74-669,527,381.31-118,838,161.78

Finding the Fourth Proportional to 446,359,838.74, 669,527,381.31 and 118,838,161.78

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Solution

The fourth proportional to 446,359,838.74, 669,527,381.31 and 118,838,161.78 is: 178,253,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,359,838.74 : 669,527,381.31 = 118,838,161.78 : x
  2. Step 2: Convert to fraction form
    446,359,838.74/669,527,381.31 = 118,838,161.78/x
  3. Step 3: Cross multiply
    446,359,838.74x = 669,527,381.31 × 118,838,161.78
  4. Step 4: Simplify right side
    446,359,838.74x = 79,565,403,258,376,992
  5. Step 5: Solve for x
    x = 79,565,403,258,376,992/446,359,838.74
  6. Step 6: Final answer
    x = 178,253,947.49

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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.