Home / 1,078,463,930.70-1,617,695,896.05-619,298,906.70

Finding the Fourth Proportional to 1,078,463,930.70, 1,617,695,896.05 and 619,298,906.70

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Solution

The fourth proportional to 1,078,463,930.70, 1,617,695,896.05 and 619,298,906.70 is: 928,948,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,463,930.70 : 1,617,695,896.05 = 619,298,906.70 : x
  2. Step 2: Convert to fraction form
    1,078,463,930.70/1,617,695,896.05 = 619,298,906.70/x
  3. Step 3: Cross multiply
    1,078,463,930.70x = 1,617,695,896.05 × 619,298,906.70
  4. Step 4: Simplify right side
    1,078,463,930.70x = 1,001,837,299,796,841,856
  5. Step 5: Solve for x
    x = 1,001,837,299,796,841,856/1,078,463,930.70
  6. Step 6: Final answer
    x = 928,948,360.05

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1.5x scale

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.