Home / 434,382,905.80-651,574,358.70-311,301,170.20

Finding the Fourth Proportional to 434,382,905.80, 651,574,358.70 and 311,301,170.20

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Solution

The fourth proportional to 434,382,905.80, 651,574,358.70 and 311,301,170.20 is: 466,951,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,382,905.80 : 651,574,358.70 = 311,301,170.20 : x
  2. Step 2: Convert to fraction form
    434,382,905.80/651,574,358.70 = 311,301,170.20/x
  3. Step 3: Cross multiply
    434,382,905.80x = 651,574,358.70 × 311,301,170.20
  4. Step 4: Simplify right side
    434,382,905.80x = 202,835,860,335,624,544
  5. Step 5: Solve for x
    x = 202,835,860,335,624,544/434,382,905.80
  6. Step 6: Final answer
    x = 466,951,755.30

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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.