Home / 790,449,876.36-1,090,463,134.13-477,083,919.24

Finding the Fourth Proportional to 790,449,876.36, 1,090,463,134.13 and 477,083,919.24

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Solution

The fourth proportional to 790,449,876.36, 1,090,463,134.13 and 477,083,919.24 is: 658,159,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,449,876.36 : 1,090,463,134.13 = 477,083,919.24 : x
  2. Step 2: Convert to fraction form
    790,449,876.36/1,090,463,134.13 = 477,083,919.24/x
  3. Step 3: Cross multiply
    790,449,876.36x = 1,090,463,134.13 × 477,083,919.24
  4. Step 4: Simplify right side
    790,449,876.36x = 520,242,425,809,636,480
  5. Step 5: Solve for x
    x = 520,242,425,809,636,480/790,449,876.36
  6. Step 6: Final answer
    x = 658,159,918.01

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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.