Home / 771,122,094.53-1,064,118,644.39-418,690,018.85

Finding the Fourth Proportional to 771,122,094.53, 1,064,118,644.39 and 418,690,018.85

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Solution

The fourth proportional to 771,122,094.53, 1,064,118,644.39 and 418,690,018.85 is: 577,776,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,122,094.53 : 1,064,118,644.39 = 418,690,018.85 : x
  2. Step 2: Convert to fraction form
    771,122,094.53/1,064,118,644.39 = 418,690,018.85/x
  3. Step 3: Cross multiply
    771,122,094.53x = 1,064,118,644.39 × 418,690,018.85
  4. Step 4: Simplify right side
    771,122,094.53x = 445,535,855,276,192,128
  5. Step 5: Solve for x
    x = 445,535,855,276,192,128/771,122,094.53
  6. Step 6: Final answer
    x = 577,776,020.73

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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.