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Finding the Fourth Proportional to 700,906,698.72, 967,549,078.96 and 436,719,219.20

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Solution

The fourth proportional to 700,906,698.72, 967,549,078.96 and 436,719,219.20 is: 602,858,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,906,698.72 : 967,549,078.96 = 436,719,219.20 : x
  2. Step 2: Convert to fraction form
    700,906,698.72/967,549,078.96 = 436,719,219.20/x
  3. Step 3: Cross multiply
    700,906,698.72x = 967,549,078.96 × 436,719,219.20
  4. Step 4: Simplify right side
    700,906,698.72x = 422,547,278,301,090,368
  5. Step 5: Solve for x
    x = 422,547,278,301,090,368/700,906,698.72
  6. Step 6: Final answer
    x = 602,858,096.62

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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.