Home / 1,188,565,276.80-1,782,847,915.20-916,467,484.80

Finding the Fourth Proportional to 1,188,565,276.80, 1,782,847,915.20 and 916,467,484.80

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Solution

The fourth proportional to 1,188,565,276.80, 1,782,847,915.20 and 916,467,484.80 is: 1,374,701,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,565,276.80 : 1,782,847,915.20 = 916,467,484.80 : x
  2. Step 2: Convert to fraction form
    1,188,565,276.80/1,782,847,915.20 = 916,467,484.80/x
  3. Step 3: Cross multiply
    1,188,565,276.80x = 1,782,847,915.20 × 916,467,484.80
  4. Step 4: Simplify right side
    1,188,565,276.80x = 1,633,922,144,624,267,520
  5. Step 5: Solve for x
    x = 1,633,922,144,624,267,520/1,188,565,276.80
  6. Step 6: Final answer
    x = 1,374,701,227.20

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Double scale
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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.