Home / 977,662,977-1,349,200,478.16-531,652,425.76

Finding the Fourth Proportional to 977,662,977, 1,349,200,478.16 and 531,652,425.76

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Solution

The fourth proportional to 977,662,977, 1,349,200,478.16 and 531,652,425.76 is: 733,694,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,662,977 : 1,349,200,478.16 = 531,652,425.76 : x
  2. Step 2: Convert to fraction form
    977,662,977/1,349,200,478.16 = 531,652,425.76/x
  3. Step 3: Cross multiply
    977,662,977x = 1,349,200,478.16 × 531,652,425.76
  4. Step 4: Simplify right side
    977,662,977x = 717,305,707,050,315,904
  5. Step 5: Solve for x
    x = 717,305,707,050,315,904/977,662,977
  6. Step 6: Final answer
    x = 733,694,252.44

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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.