Home / 887,108,671.40-1,224,160,375.20-485,143,035.89

Finding the Fourth Proportional to 887,108,671.40, 1,224,160,375.20 and 485,143,035.89

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Solution

The fourth proportional to 887,108,671.40, 1,224,160,375.20 and 485,143,035.89 is: 669,470,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,108,671.40 : 1,224,160,375.20 = 485,143,035.89 : x
  2. Step 2: Convert to fraction form
    887,108,671.40/1,224,160,375.20 = 485,143,035.89/x
  3. Step 3: Cross multiply
    887,108,671.40x = 1,224,160,375.20 × 485,143,035.89
  4. Step 4: Simplify right side
    887,108,671.40x = 593,892,880,834,648,704
  5. Step 5: Solve for x
    x = 593,892,880,834,648,704/887,108,671.40
  6. Step 6: Final answer
    x = 669,470,268.96

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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.