Home / 85,846,309,258.76-128,788,669,292.42-26,159,642,847.53

Finding the Fourth Proportional to 85,846,309,258.76, 128,788,669,292.42 and 26,159,642,847.53

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Solution

The fourth proportional to 85,846,309,258.76, 128,788,669,292.42 and 26,159,642,847.53 is: 39,245,316,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846,309,258.76 : 128,788,669,292.42 = 26,159,642,847.53 : x
  2. Step 2: Convert to fraction form
    85,846,309,258.76/128,788,669,292.42 = 26,159,642,847.53/x
  3. Step 3: Cross multiply
    85,846,309,258.76x = 128,788,669,292.42 × 26,159,642,847.53
  4. Step 4: Simplify right side
    85,846,309,258.76x = 3,369,065,591,497,717,448,704
  5. Step 5: Solve for x
    x = 3,369,065,591,497,717,448,704/85,846,309,258.76
  6. Step 6: Final answer
    x = 39,245,316,666.36

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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.