Home / 1,347,991,937.90-2,021,987,906.85-530,130,920.30

Finding the Fourth Proportional to 1,347,991,937.90, 2,021,987,906.85 and 530,130,920.30

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Solution

The fourth proportional to 1,347,991,937.90, 2,021,987,906.85 and 530,130,920.30 is: 795,196,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,991,937.90 : 2,021,987,906.85 = 530,130,920.30 : x
  2. Step 2: Convert to fraction form
    1,347,991,937.90/2,021,987,906.85 = 530,130,920.30/x
  3. Step 3: Cross multiply
    1,347,991,937.90x = 2,021,987,906.85 × 530,130,920.30
  4. Step 4: Simplify right side
    1,347,991,937.90x = 1,071,918,309,893,861,120
  5. Step 5: Solve for x
    x = 1,071,918,309,893,861,120/1,347,991,937.90
  6. Step 6: Final answer
    x = 795,196,380.45

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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.