Home / 1,566,090,142.85-2,161,261,220.84-897,164,470.41

Finding the Fourth Proportional to 1,566,090,142.85, 2,161,261,220.84 and 897,164,470.41

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Solution

The fourth proportional to 1,566,090,142.85, 2,161,261,220.84 and 897,164,470.41 is: 1,238,119,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,090,142.85 : 2,161,261,220.84 = 897,164,470.41 : x
  2. Step 2: Convert to fraction form
    1,566,090,142.85/2,161,261,220.84 = 897,164,470.41/x
  3. Step 3: Cross multiply
    1,566,090,142.85x = 2,161,261,220.84 × 897,164,470.41
  4. Step 4: Simplify right side
    1,566,090,142.85x = 1,939,006,778,611,422,208
  5. Step 5: Solve for x
    x = 1,939,006,778,611,422,208/1,566,090,142.85
  6. Step 6: Final answer
    x = 1,238,119,521.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.