Home / 354,305,222.40-488,955,363.84-197,686,017.60

Finding the Fourth Proportional to 354,305,222.40, 488,955,363.84 and 197,686,017.60

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Solution

The fourth proportional to 354,305,222.40, 488,955,363.84 and 197,686,017.60 is: 272,814,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,305,222.40 : 488,955,363.84 = 197,686,017.60 : x
  2. Step 2: Convert to fraction form
    354,305,222.40/488,955,363.84 = 197,686,017.60/x
  3. Step 3: Cross multiply
    354,305,222.40x = 488,955,363.84 × 197,686,017.60
  4. Step 4: Simplify right side
    354,305,222.40x = 96,659,638,661,688,640
  5. Step 5: Solve for x
    x = 96,659,638,661,688,640/354,305,222.40
  6. Step 6: Final answer
    x = 272,814,603.20

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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.