Home / 1,280,214,930.32-1,766,702,017.32-693,504,066.32

Finding the Fourth Proportional to 1,280,214,930.32, 1,766,702,017.32 and 693,504,066.32

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Solution

The fourth proportional to 1,280,214,930.32, 1,766,702,017.32 and 693,504,066.32 is: 957,038,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,214,930.32 : 1,766,702,017.32 = 693,504,066.32 : x
  2. Step 2: Convert to fraction form
    1,280,214,930.32/1,766,702,017.32 = 693,504,066.32/x
  3. Step 3: Cross multiply
    1,280,214,930.32x = 1,766,702,017.32 × 693,504,066.32
  4. Step 4: Simplify right side
    1,280,214,930.32x = 1,225,215,032,987,167,232
  5. Step 5: Solve for x
    x = 1,225,215,032,987,167,232/1,280,214,930.32
  6. Step 6: Final answer
    x = 957,038,544.05

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Double scale
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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.