Home / 936,991,850.42-1,292,294,793.48-823,719,148.40

Finding the Fourth Proportional to 936,991,850.42, 1,292,294,793.48 and 823,719,148.40

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Solution

The fourth proportional to 936,991,850.42, 1,292,294,793.48 and 823,719,148.40 is: 1,136,069,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,991,850.42 : 1,292,294,793.48 = 823,719,148.40 : x
  2. Step 2: Convert to fraction form
    936,991,850.42/1,292,294,793.48 = 823,719,148.40/x
  3. Step 3: Cross multiply
    936,991,850.42x = 1,292,294,793.48 × 823,719,148.40
  4. Step 4: Simplify right side
    936,991,850.42x = 1,064,487,966,767,099,520
  5. Step 5: Solve for x
    x = 1,064,487,966,767,099,520/936,991,850.42
  6. Step 6: Final answer
    x = 1,136,069,610.73

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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.