Home / 1,580,557,045.59-2,181,167,018.89-866,110,019.81

Finding the Fourth Proportional to 1,580,557,045.59, 2,181,167,018.89 and 866,110,019.81

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Solution

The fourth proportional to 1,580,557,045.59, 2,181,167,018.89 and 866,110,019.81 is: 1,195,230,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,557,045.59 : 2,181,167,018.89 = 866,110,019.81 : x
  2. Step 2: Convert to fraction form
    1,580,557,045.59/2,181,167,018.89 = 866,110,019.81/x
  3. Step 3: Cross multiply
    1,580,557,045.59x = 2,181,167,018.89 × 866,110,019.81
  4. Step 4: Simplify right side
    1,580,557,045.59x = 1,889,130,609,926,665,216
  5. Step 5: Solve for x
    x = 1,889,130,609,926,665,216/1,580,557,045.59
  6. Step 6: Final answer
    x = 1,195,230,893.56

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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.