Home / 611,731,909.60-917,597,864.40-550,509,906.40

Finding the Fourth Proportional to 611,731,909.60, 917,597,864.40 and 550,509,906.40

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Solution

The fourth proportional to 611,731,909.60, 917,597,864.40 and 550,509,906.40 is: 825,764,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,731,909.60 : 917,597,864.40 = 550,509,906.40 : x
  2. Step 2: Convert to fraction form
    611,731,909.60/917,597,864.40 = 550,509,906.40/x
  3. Step 3: Cross multiply
    611,731,909.60x = 917,597,864.40 × 550,509,906.40
  4. Step 4: Simplify right side
    611,731,909.60x = 505,146,714,443,683,840
  5. Step 5: Solve for x
    x = 505,146,714,443,683,840/611,731,909.60
  6. Step 6: Final answer
    x = 825,764,859.60

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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.