Home / 231,787,011,332.10-347,680,516,998.15-222,644,525,520.90

Finding the Fourth Proportional to 231,787,011,332.10, 347,680,516,998.15 and 222,644,525,520.90

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Solution

The fourth proportional to 231,787,011,332.10, 347,680,516,998.15 and 222,644,525,520.90 is: 333,966,788,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,332.10 : 347,680,516,998.15 = 222,644,525,520.90 : x
  2. Step 2: Convert to fraction form
    231,787,011,332.10/347,680,516,998.15 = 222,644,525,520.90/x
  3. Step 3: Cross multiply
    231,787,011,332.10x = 347,680,516,998.15 × 222,644,525,520.90
  4. Step 4: Simplify right side
    231,787,011,332.10x = 77,409,163,739,914,311,827,456
  5. Step 5: Solve for x
    x = 77,409,163,739,914,311,827,456/231,787,011,332.10
  6. Step 6: Final answer
    x = 333,966,788,281.35

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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.