Home / 1,693,066,155.35-2,539,926,283.10-643,722,770.36

Finding the Fourth Proportional to 1,693,066,155.35, 2,539,926,283.10 and 643,722,770.36

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Solution

The fourth proportional to 1,693,066,155.35, 2,539,926,283.10 and 643,722,770.36 is: 965,708,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,066,155.35 : 2,539,926,283.10 = 643,722,770.36 : x
  2. Step 2: Convert to fraction form
    1,693,066,155.35/2,539,926,283.10 = 643,722,770.36/x
  3. Step 3: Cross multiply
    1,693,066,155.35x = 2,539,926,283.10 × 643,722,770.36
  4. Step 4: Simplify right side
    1,693,066,155.35x = 1,635,008,383,470,440,704
  5. Step 5: Solve for x
    x = 1,635,008,383,470,440,704/1,693,066,155.35
  6. Step 6: Final answer
    x = 965,708,503.66

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Double scale
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1.5x scale

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.