Home / 318,474,949,083.06-439,492,459,510.90-173,959,023,468.45

Finding the Fourth Proportional to 318,474,949,083.06, 439,492,459,510.90 and 173,959,023,468.45

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Solution

The fourth proportional to 318,474,949,083.06, 439,492,459,510.90 and 173,959,023,468.45 is: 240,061,829,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,474,949,083.06 : 439,492,459,510.90 = 173,959,023,468.45 : x
  2. Step 2: Convert to fraction form
    318,474,949,083.06/439,492,459,510.90 = 173,959,023,468.45/x
  3. Step 3: Cross multiply
    318,474,949,083.06x = 439,492,459,510.90 × 173,959,023,468.45
  4. Step 4: Simplify right side
    318,474,949,083.06x = 76,453,679,078,263,482,220,544
  5. Step 5: Solve for x
    x = 76,453,679,078,263,482,220,544/318,474,949,083.06
  6. Step 6: Final answer
    x = 240,061,829,975.59

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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.