Home / 889,312,257.33-1,227,264,336.68-487,422,790.59

Finding the Fourth Proportional to 889,312,257.33, 1,227,264,336.68 and 487,422,790.59

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Solution

The fourth proportional to 889,312,257.33, 1,227,264,336.68 and 487,422,790.59 is: 672,650,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,312,257.33 : 1,227,264,336.68 = 487,422,790.59 : x
  2. Step 2: Convert to fraction form
    889,312,257.33/1,227,264,336.68 = 487,422,790.59/x
  3. Step 3: Cross multiply
    889,312,257.33x = 1,227,264,336.68 × 487,422,790.59
  4. Step 4: Simplify right side
    889,312,257.33x = 598,196,607,778,595,968
  5. Step 5: Solve for x
    x = 598,196,607,778,595,968/889,312,257.33
  6. Step 6: Final answer
    x = 672,650,807.23

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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.