Home / 231,787,011,333.10-347,680,516,999.65-222,644,525,521.90

Finding the Fourth Proportional to 231,787,011,333.10, 347,680,516,999.65 and 222,644,525,521.90

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Solution

The fourth proportional to 231,787,011,333.10, 347,680,516,999.65 and 222,644,525,521.90 is: 333,966,788,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,333.10 : 347,680,516,999.65 = 222,644,525,521.90 : x
  2. Step 2: Convert to fraction form
    231,787,011,333.10/347,680,516,999.65 = 222,644,525,521.90/x
  3. Step 3: Cross multiply
    231,787,011,333.10x = 347,680,516,999.65 × 222,644,525,521.90
  4. Step 4: Simplify right side
    231,787,011,333.10x = 77,409,163,740,595,970,113,536
  5. Step 5: Solve for x
    x = 77,409,163,740,595,970,113,536/231,787,011,333.10
  6. Step 6: Final answer
    x = 333,966,788,282.85

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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.