Home / 1,084,995,703.92-1,627,493,555.89-319,090,807.92

Finding the Fourth Proportional to 1,084,995,703.92, 1,627,493,555.89 and 319,090,807.92

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Solution

The fourth proportional to 1,084,995,703.92, 1,627,493,555.89 and 319,090,807.92 is: 478,636,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,995,703.92 : 1,627,493,555.89 = 319,090,807.92 : x
  2. Step 2: Convert to fraction form
    1,084,995,703.92/1,627,493,555.89 = 319,090,807.92/x
  3. Step 3: Cross multiply
    1,084,995,703.92x = 1,627,493,555.89 × 319,090,807.92
  4. Step 4: Simplify right side
    1,084,995,703.92x = 519,318,233,633,533,824
  5. Step 5: Solve for x
    x = 519,318,233,633,533,824/1,084,995,703.92
  6. Step 6: Final answer
    x = 478,636,211.88

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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.