Home / 803,323,513.52-1,108,525,662.76-450,831,403.09

Finding the Fourth Proportional to 803,323,513.52, 1,108,525,662.76 and 450,831,403.09

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Solution

The fourth proportional to 803,323,513.52, 1,108,525,662.76 and 450,831,403.09 is: 622,113,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,323,513.52 : 1,108,525,662.76 = 450,831,403.09 : x
  2. Step 2: Convert to fraction form
    803,323,513.52/1,108,525,662.76 = 450,831,403.09/x
  3. Step 3: Cross multiply
    803,323,513.52x = 1,108,525,662.76 × 450,831,403.09
  4. Step 4: Simplify right side
    803,323,513.52x = 499,758,179,904,489,152
  5. Step 5: Solve for x
    x = 499,758,179,904,489,152/803,323,513.52
  6. Step 6: Final answer
    x = 622,113,222.75

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1.5x scale

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.