Home / 836,595,794.39-1,252,470,374.04-630,203,430.11

Finding the Fourth Proportional to 836,595,794.39, 1,252,470,374.04 and 630,203,430.11

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Solution

The fourth proportional to 836,595,794.39, 1,252,470,374.04 and 630,203,430.11 is: 943,479,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,595,794.39 : 1,252,470,374.04 = 630,203,430.11 : x
  2. Step 2: Convert to fraction form
    836,595,794.39/1,252,470,374.04 = 630,203,430.11/x
  3. Step 3: Cross multiply
    836,595,794.39x = 1,252,470,374.04 × 630,203,430.11
  4. Step 4: Simplify right side
    836,595,794.39x = 789,311,125,831,162,752
  5. Step 5: Solve for x
    x = 789,311,125,831,162,752/836,595,794.39
  6. Step 6: Final answer
    x = 943,479,672.17

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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.