Home / 20,190,411,220.80-30,285,616,831.20-16,750,557,652.80

Finding the Fourth Proportional to 20,190,411,220.80, 30,285,616,831.20 and 16,750,557,652.80

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Solution

The fourth proportional to 20,190,411,220.80, 30,285,616,831.20 and 16,750,557,652.80 is: 25,125,836,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,411,220.80 : 30,285,616,831.20 = 16,750,557,652.80 : x
  2. Step 2: Convert to fraction form
    20,190,411,220.80/30,285,616,831.20 = 16,750,557,652.80/x
  3. Step 3: Cross multiply
    20,190,411,220.80x = 30,285,616,831.20 × 16,750,557,652.80
  4. Step 4: Simplify right side
    20,190,411,220.80x = 507,300,970,781,625,614,336
  5. Step 5: Solve for x
    x = 507,300,970,781,625,614,336/20,190,411,220.80
  6. Step 6: Final answer
    x = 25,125,836,479.20

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1.5x scale

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.