Home / 831,920,487,514.46-1,247,009,782,394-348,151,880,670.94

Finding the Fourth Proportional to 831,920,487,514.46, 1,247,009,782,394 and 348,151,880,670.94

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Solution

The fourth proportional to 831,920,487,514.46, 1,247,009,782,394 and 348,151,880,670.94 is: 521,863,336,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,920,487,514.46 : 1,247,009,782,394 = 348,151,880,670.94 : x
  2. Step 2: Convert to fraction form
    831,920,487,514.46/1,247,009,782,394 = 348,151,880,670.94/x
  3. Step 3: Cross multiply
    831,920,487,514.46x = 1,247,009,782,394 × 348,151,880,670.94
  4. Step 4: Simplify right side
    831,920,487,514.46x = 434,148,800,955,530,744,954,880
  5. Step 5: Solve for x
    x = 434,148,800,955,530,744,954,880/831,920,487,514.46
  6. Step 6: Final answer
    x = 521,863,336,065.50

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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.