Home / 1,129,422,967.08-1,558,641,498.36-627,652,899.60

Finding the Fourth Proportional to 1,129,422,967.08, 1,558,641,498.36 and 627,652,899.60

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Solution

The fourth proportional to 1,129,422,967.08, 1,558,641,498.36 and 627,652,899.60 is: 866,182,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,422,967.08 : 1,558,641,498.36 = 627,652,899.60 : x
  2. Step 2: Convert to fraction form
    1,129,422,967.08/1,558,641,498.36 = 627,652,899.60/x
  3. Step 3: Cross multiply
    1,129,422,967.08x = 1,558,641,498.36 × 627,652,899.60
  4. Step 4: Simplify right side
    1,129,422,967.08x = 978,285,855,882,542,592
  5. Step 5: Solve for x
    x = 978,285,855,882,542,592/1,129,422,967.08
  6. Step 6: Final answer
    x = 866,182,010.10

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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.