Home / 782,903,615.14-1,173,579,719.78-367,637,068.30

Finding the Fourth Proportional to 782,903,615.14, 1,173,579,719.78 and 367,637,068.30

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Solution

The fourth proportional to 782,903,615.14, 1,173,579,719.78 and 367,637,068.30 is: 551,091,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,903,615.14 : 1,173,579,719.78 = 367,637,068.30 : x
  2. Step 2: Convert to fraction form
    782,903,615.14/1,173,579,719.78 = 367,637,068.30/x
  3. Step 3: Cross multiply
    782,903,615.14x = 1,173,579,719.78 × 367,637,068.30
  4. Step 4: Simplify right side
    782,903,615.14x = 431,451,407,596,254,720
  5. Step 5: Solve for x
    x = 431,451,407,596,254,720/782,903,615.14
  6. Step 6: Final answer
    x = 551,091,346.69

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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.