Home / 923,942,544.80-1,386,088,611.96-371,287,994.72

Finding the Fourth Proportional to 923,942,544.80, 1,386,088,611.96 and 371,287,994.72

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Solution

The fourth proportional to 923,942,544.80, 1,386,088,611.96 and 371,287,994.72 is: 557,002,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,942,544.80 : 1,386,088,611.96 = 371,287,994.72 : x
  2. Step 2: Convert to fraction form
    923,942,544.80/1,386,088,611.96 = 371,287,994.72/x
  3. Step 3: Cross multiply
    923,942,544.80x = 1,386,088,611.96 × 371,287,994.72
  4. Step 4: Simplify right side
    923,942,544.80x = 514,638,061,238,856,640
  5. Step 5: Solve for x
    x = 514,638,061,238,856,640/923,942,544.80
  6. Step 6: Final answer
    x = 557,002,233.67

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1.5x scale

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.