Home / 949,169,638.20-1,309,864,577.37-525,789,784.44

Finding the Fourth Proportional to 949,169,638.20, 1,309,864,577.37 and 525,789,784.44

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Solution

The fourth proportional to 949,169,638.20, 1,309,864,577.37 and 525,789,784.44 is: 725,595,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,169,638.20 : 1,309,864,577.37 = 525,789,784.44 : x
  2. Step 2: Convert to fraction form
    949,169,638.20/1,309,864,577.37 = 525,789,784.44/x
  3. Step 3: Cross multiply
    949,169,638.20x = 1,309,864,577.37 × 525,789,784.44
  4. Step 4: Simplify right side
    949,169,638.20x = 688,713,413,780,963,968
  5. Step 5: Solve for x
    x = 688,713,413,780,963,968/949,169,638.20
  6. Step 6: Final answer
    x = 725,595,706.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.