Home / 1,152,314,946.45-1,728,475,076.88-664,218,274.41

Finding the Fourth Proportional to 1,152,314,946.45, 1,728,475,076.88 and 664,218,274.41

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Solution

The fourth proportional to 1,152,314,946.45, 1,728,475,076.88 and 664,218,274.41 is: 996,328,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,314,946.45 : 1,728,475,076.88 = 664,218,274.41 : x
  2. Step 2: Convert to fraction form
    1,152,314,946.45/1,728,475,076.88 = 664,218,274.41/x
  3. Step 3: Cross multiply
    1,152,314,946.45x = 1,728,475,076.88 × 664,218,274.41
  4. Step 4: Simplify right side
    1,152,314,946.45x = 1,148,084,732,925,925,760
  5. Step 5: Solve for x
    x = 1,148,084,732,925,925,760/1,152,314,946.45
  6. Step 6: Final answer
    x = 996,328,943.28

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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.