Home / 917,998,496.46-1,376,863,223.69-451,534,711.61

Finding the Fourth Proportional to 917,998,496.46, 1,376,863,223.69 and 451,534,711.61

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Solution

The fourth proportional to 917,998,496.46, 1,376,863,223.69 and 451,534,711.61 is: 677,235,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,998,496.46 : 1,376,863,223.69 = 451,534,711.61 : x
  2. Step 2: Convert to fraction form
    917,998,496.46/1,376,863,223.69 = 451,534,711.61/x
  3. Step 3: Cross multiply
    917,998,496.46x = 1,376,863,223.69 × 451,534,711.61
  4. Step 4: Simplify right side
    917,998,496.46x = 621,701,538,626,137,088
  5. Step 5: Solve for x
    x = 621,701,538,626,137,088/917,998,496.46
  6. Step 6: Final answer
    x = 677,235,900.74

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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.