Home / 469,008,492.20-703,512,738.30-346,564,485.80

Finding the Fourth Proportional to 469,008,492.20, 703,512,738.30 and 346,564,485.80

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Solution

The fourth proportional to 469,008,492.20, 703,512,738.30 and 346,564,485.80 is: 519,846,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008,492.20 : 703,512,738.30 = 346,564,485.80 : x
  2. Step 2: Convert to fraction form
    469,008,492.20/703,512,738.30 = 346,564,485.80/x
  3. Step 3: Cross multiply
    469,008,492.20x = 703,512,738.30 × 346,564,485.80
  4. Step 4: Simplify right side
    469,008,492.20x = 243,812,530,402,689,472
  5. Step 5: Solve for x
    x = 243,812,530,402,689,472/469,008,492.20
  6. Step 6: Final answer
    x = 519,846,728.70

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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.