Home / 1,064,107,926.40-1,596,161,889.60-628,751,459.20

Finding the Fourth Proportional to 1,064,107,926.40, 1,596,161,889.60 and 628,751,459.20

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Solution

The fourth proportional to 1,064,107,926.40, 1,596,161,889.60 and 628,751,459.20 is: 943,127,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,107,926.40 : 1,596,161,889.60 = 628,751,459.20 : x
  2. Step 2: Convert to fraction form
    1,064,107,926.40/1,596,161,889.60 = 628,751,459.20/x
  3. Step 3: Cross multiply
    1,064,107,926.40x = 1,596,161,889.60 × 628,751,459.20
  4. Step 4: Simplify right side
    1,064,107,926.40x = 1,003,589,117,205,429,376
  5. Step 5: Solve for x
    x = 1,003,589,117,205,429,376/1,064,107,926.40
  6. Step 6: Final answer
    x = 943,127,188.80

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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.