Home / 873,213,026.40-1,309,819,539.60-718,244,830.80

Finding the Fourth Proportional to 873,213,026.40, 1,309,819,539.60 and 718,244,830.80

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Solution

The fourth proportional to 873,213,026.40, 1,309,819,539.60 and 718,244,830.80 is: 1,077,367,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,213,026.40 : 1,309,819,539.60 = 718,244,830.80 : x
  2. Step 2: Convert to fraction form
    873,213,026.40/1,309,819,539.60 = 718,244,830.80/x
  3. Step 3: Cross multiply
    873,213,026.40x = 1,309,819,539.60 × 718,244,830.80
  4. Step 4: Simplify right side
    873,213,026.40x = 940,771,113,598,535,808
  5. Step 5: Solve for x
    x = 940,771,113,598,535,808/873,213,026.40
  6. Step 6: Final answer
    x = 1,077,367,246.20

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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.