Home / 936,991,849.42-1,292,294,792.10-823,719,147.40

Finding the Fourth Proportional to 936,991,849.42, 1,292,294,792.10 and 823,719,147.40

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Solution

The fourth proportional to 936,991,849.42, 1,292,294,792.10 and 823,719,147.40 is: 1,136,069,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,991,849.42 : 1,292,294,792.10 = 823,719,147.40 : x
  2. Step 2: Convert to fraction form
    936,991,849.42/1,292,294,792.10 = 823,719,147.40/x
  3. Step 3: Cross multiply
    936,991,849.42x = 1,292,294,792.10 × 823,719,147.40
  4. Step 4: Simplify right side
    936,991,849.42x = 1,064,487,964,338,072,192
  5. Step 5: Solve for x
    x = 1,064,487,964,338,072,192/936,991,849.42
  6. Step 6: Final answer
    x = 1,136,069,609.35

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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.