Home / 1,224,680,348.88-1,690,086,763.08-695,961,026.64

Finding the Fourth Proportional to 1,224,680,348.88, 1,690,086,763.08 and 695,961,026.64

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Solution

The fourth proportional to 1,224,680,348.88, 1,690,086,763.08 and 695,961,026.64 is: 960,442,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,680,348.88 : 1,690,086,763.08 = 695,961,026.64 : x
  2. Step 2: Convert to fraction form
    1,224,680,348.88/1,690,086,763.08 = 695,961,026.64/x
  3. Step 3: Cross multiply
    1,224,680,348.88x = 1,690,086,763.08 × 695,961,026.64
  4. Step 4: Simplify right side
    1,224,680,348.88x = 1,176,234,518,743,831,296
  5. Step 5: Solve for x
    x = 1,176,234,518,743,831,296/1,224,680,348.88
  6. Step 6: Final answer
    x = 960,442,061.33

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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.