Home / 317,103,043,427.56-437,611,492,439.66-172,596,532,782.34

Finding the Fourth Proportional to 317,103,043,427.56, 437,611,492,439.66 and 172,596,532,782.34

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Solution

The fourth proportional to 317,103,043,427.56, 437,611,492,439.66 and 172,596,532,782.34 is: 238,188,273,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103,043,427.56 : 437,611,492,439.66 = 172,596,532,782.34 : x
  2. Step 2: Convert to fraction form
    317,103,043,427.56/437,611,492,439.66 = 172,596,532,782.34/x
  3. Step 3: Cross multiply
    317,103,043,427.56x = 437,611,492,439.66 × 172,596,532,782.34
  4. Step 4: Simplify right side
    317,103,043,427.56x = 75,530,226,300,790,507,569,152
  5. Step 5: Solve for x
    x = 75,530,226,300,790,507,569,152/317,103,043,427.56
  6. Step 6: Final answer
    x = 238,188,273,074.85

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1.5x scale

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.