Home / 1,057,172,837.78-1,584,773,434.37-357,175,437.74

Finding the Fourth Proportional to 1,057,172,837.78, 1,584,773,434.37 and 357,175,437.74

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Solution

The fourth proportional to 1,057,172,837.78, 1,584,773,434.37 and 357,175,437.74 is: 535,430,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,172,837.78 : 1,584,773,434.37 = 357,175,437.74 : x
  2. Step 2: Convert to fraction form
    1,057,172,837.78/1,584,773,434.37 = 357,175,437.74/x
  3. Step 3: Cross multiply
    1,057,172,837.78x = 1,584,773,434.37 × 357,175,437.74
  4. Step 4: Simplify right side
    1,057,172,837.78x = 566,042,145,136,723,328
  5. Step 5: Solve for x
    x = 566,042,145,136,723,328/1,057,172,837.78
  6. Step 6: Final answer
    x = 535,430,087.60

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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.