Home / 2,120,256,871.60-3,180,385,307.40-827,792,359.60

Finding the Fourth Proportional to 2,120,256,871.60, 3,180,385,307.40 and 827,792,359.60

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Solution

The fourth proportional to 2,120,256,871.60, 3,180,385,307.40 and 827,792,359.60 is: 1,241,688,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,256,871.60 : 3,180,385,307.40 = 827,792,359.60 : x
  2. Step 2: Convert to fraction form
    2,120,256,871.60/3,180,385,307.40 = 827,792,359.60/x
  3. Step 3: Cross multiply
    2,120,256,871.60x = 3,180,385,307.40 × 827,792,359.60
  4. Step 4: Simplify right side
    2,120,256,871.60x = 2,632,698,658,049,817,600
  5. Step 5: Solve for x
    x = 2,632,698,658,049,817,600/2,120,256,871.60
  6. Step 6: Final answer
    x = 1,241,688,539.40

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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.