Home / 936,955,808.40-1,397,057,078.96-911,213,533.20

Finding the Fourth Proportional to 936,955,808.40, 1,397,057,078.96 and 911,213,533.20

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Solution

The fourth proportional to 936,955,808.40, 1,397,057,078.96 and 911,213,533.20 is: 1,358,673,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,955,808.40 : 1,397,057,078.96 = 911,213,533.20 : x
  2. Step 2: Convert to fraction form
    936,955,808.40/1,397,057,078.96 = 911,213,533.20/x
  3. Step 3: Cross multiply
    936,955,808.40x = 1,397,057,078.96 × 911,213,533.20
  4. Step 4: Simplify right side
    936,955,808.40x = 1,273,017,317,001,213,184
  5. Step 5: Solve for x
    x = 1,273,017,317,001,213,184/936,955,808.40
  6. Step 6: Final answer
    x = 1,358,673,808.93

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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.