Home / 903,910,212.73-1,247,327,227.20-507,356,588.24

Finding the Fourth Proportional to 903,910,212.73, 1,247,327,227.20 and 507,356,588.24

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Solution

The fourth proportional to 903,910,212.73, 1,247,327,227.20 and 507,356,588.24 is: 700,113,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,910,212.73 : 1,247,327,227.20 = 507,356,588.24 : x
  2. Step 2: Convert to fraction form
    903,910,212.73/1,247,327,227.20 = 507,356,588.24/x
  3. Step 3: Cross multiply
    903,910,212.73x = 1,247,327,227.20 × 507,356,588.24
  4. Step 4: Simplify right side
    903,910,212.73x = 632,839,686,411,051,392
  5. Step 5: Solve for x
    x = 632,839,686,411,051,392/903,910,212.73
  6. Step 6: Final answer
    x = 700,113,437.70

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Double scale
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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.