Home / 581,847,787.17-802,949,734.20-317,529,780.84

Finding the Fourth Proportional to 581,847,787.17, 802,949,734.20 and 317,529,780.84

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Solution

The fourth proportional to 581,847,787.17, 802,949,734.20 and 317,529,780.84 is: 438,190,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,847,787.17 : 802,949,734.20 = 317,529,780.84 : x
  2. Step 2: Convert to fraction form
    581,847,787.17/802,949,734.20 = 317,529,780.84/x
  3. Step 3: Cross multiply
    581,847,787.17x = 802,949,734.20 × 317,529,780.84
  4. Step 4: Simplify right side
    581,847,787.17x = 254,960,453,126,062,240
  5. Step 5: Solve for x
    x = 254,960,453,126,062,240/581,847,787.17
  6. Step 6: Final answer
    x = 438,190,981.81

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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.