Home / 613,877,090.78-847,161,785.67-335,436,648.86

Finding the Fourth Proportional to 613,877,090.78, 847,161,785.67 and 335,436,648.86

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Solution

The fourth proportional to 613,877,090.78, 847,161,785.67 and 335,436,648.86 is: 462,908,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,877,090.78 : 847,161,785.67 = 335,436,648.86 : x
  2. Step 2: Convert to fraction form
    613,877,090.78/847,161,785.67 = 335,436,648.86/x
  3. Step 3: Cross multiply
    613,877,090.78x = 847,161,785.67 × 335,436,648.86
  4. Step 4: Simplify right side
    613,877,090.78x = 284,169,110,427,398,368
  5. Step 5: Solve for x
    x = 284,169,110,427,398,368/613,877,090.78
  6. Step 6: Final answer
    x = 462,908,804.87

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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.