Home / 936,955,665.78-1,397,056,866.29-911,213,390.31

Finding the Fourth Proportional to 936,955,665.78, 1,397,056,866.29 and 911,213,390.31

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Solution

The fourth proportional to 936,955,665.78, 1,397,056,866.29 and 911,213,390.31 is: 1,358,673,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,955,665.78 : 1,397,056,866.29 = 911,213,390.31 : x
  2. Step 2: Convert to fraction form
    936,955,665.78/1,397,056,866.29 = 911,213,390.31/x
  3. Step 3: Cross multiply
    936,955,665.78x = 1,397,056,866.29 × 911,213,390.31
  4. Step 4: Simplify right side
    936,955,665.78x = 1,273,016,923,583,419,136
  5. Step 5: Solve for x
    x = 1,273,016,923,583,419,136/936,955,665.78
  6. Step 6: Final answer
    x = 1,358,673,595.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.