Home / 782,903,615.77-1,173,579,720.72-367,637,068.93

Finding the Fourth Proportional to 782,903,615.77, 1,173,579,720.72 and 367,637,068.93

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Solution

The fourth proportional to 782,903,615.77, 1,173,579,720.72 and 367,637,068.93 is: 551,091,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,903,615.77 : 1,173,579,720.72 = 367,637,068.93 : x
  2. Step 2: Convert to fraction form
    782,903,615.77/1,173,579,720.72 = 367,637,068.93/x
  3. Step 3: Cross multiply
    782,903,615.77x = 1,173,579,720.72 × 367,637,068.93
  4. Step 4: Simplify right side
    782,903,615.77x = 431,451,408,681,188,800
  5. Step 5: Solve for x
    x = 431,451,408,681,188,800/782,903,615.77
  6. Step 6: Final answer
    x = 551,091,347.63

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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.