Home / 377,197,620,728.32-520,530,068,595.72-205,919,552,211.76

Finding the Fourth Proportional to 377,197,620,728.32, 520,530,068,595.72 and 205,919,552,211.76

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Solution

The fourth proportional to 377,197,620,728.32, 520,530,068,595.72 and 205,919,552,211.76 is: 284,167,536,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,197,620,728.32 : 520,530,068,595.72 = 205,919,552,211.76 : x
  2. Step 2: Convert to fraction form
    377,197,620,728.32/520,530,068,595.72 = 205,919,552,211.76/x
  3. Step 3: Cross multiply
    377,197,620,728.32x = 520,530,068,595.72 × 205,919,552,211.76
  4. Step 4: Simplify right side
    377,197,620,728.32x = 107,187,318,637,987,385,835,520
  5. Step 5: Solve for x
    x = 107,187,318,637,987,385,835,520/377,197,620,728.32
  6. Step 6: Final answer
    x = 284,167,536,452.17

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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.