Home / 808,575,124.40-1,212,862,686.60-722,410,823.60

Finding the Fourth Proportional to 808,575,124.40, 1,212,862,686.60 and 722,410,823.60

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Solution

The fourth proportional to 808,575,124.40, 1,212,862,686.60 and 722,410,823.60 is: 1,083,616,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,575,124.40 : 1,212,862,686.60 = 722,410,823.60 : x
  2. Step 2: Convert to fraction form
    808,575,124.40/1,212,862,686.60 = 722,410,823.60/x
  3. Step 3: Cross multiply
    808,575,124.40x = 1,212,862,686.60 × 722,410,823.60
  4. Step 4: Simplify right side
    808,575,124.40x = 876,185,132,340,414,592
  5. Step 5: Solve for x
    x = 876,185,132,340,414,592/808,575,124.40
  6. Step 6: Final answer
    x = 1,083,616,235.40

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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.