Home / 1,456,221,678.30-2,184,332,517.45-966,445,652.70

Finding the Fourth Proportional to 1,456,221,678.30, 2,184,332,517.45 and 966,445,652.70

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Solution

The fourth proportional to 1,456,221,678.30, 2,184,332,517.45 and 966,445,652.70 is: 1,449,668,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,221,678.30 : 2,184,332,517.45 = 966,445,652.70 : x
  2. Step 2: Convert to fraction form
    1,456,221,678.30/2,184,332,517.45 = 966,445,652.70/x
  3. Step 3: Cross multiply
    1,456,221,678.30x = 2,184,332,517.45 × 966,445,652.70
  4. Step 4: Simplify right side
    1,456,221,678.30x = 2,111,038,665,540,799,232
  5. Step 5: Solve for x
    x = 2,111,038,665,540,799,232/1,456,221,678.30
  6. Step 6: Final answer
    x = 1,449,668,479.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.