Home / 562,815,517.03-776,685,487.08-311,936,106.04

Finding the Fourth Proportional to 562,815,517.03, 776,685,487.08 and 311,936,106.04

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Solution

The fourth proportional to 562,815,517.03, 776,685,487.08 and 311,936,106.04 is: 430,471,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,517.03 : 776,685,487.08 = 311,936,106.04 : x
  2. Step 2: Convert to fraction form
    562,815,517.03/776,685,487.08 = 311,936,106.04/x
  3. Step 3: Cross multiply
    562,815,517.03x = 776,685,487.08 × 311,936,106.04
  4. Step 4: Simplify right side
    562,815,517.03x = 242,276,246,457,515,968
  5. Step 5: Solve for x
    x = 242,276,246,457,515,968/562,815,517.03
  6. Step 6: Final answer
    x = 430,471,867.12

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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.