Home / 872,069,263.28-1,307,577,013.44-347,519,062.88

Finding the Fourth Proportional to 872,069,263.28, 1,307,577,013.44 and 347,519,062.88

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Solution

The fourth proportional to 872,069,263.28, 1,307,577,013.44 and 347,519,062.88 is: 521,068,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,069,263.28 : 1,307,577,013.44 = 347,519,062.88 : x
  2. Step 2: Convert to fraction form
    872,069,263.28/1,307,577,013.44 = 347,519,062.88/x
  3. Step 3: Cross multiply
    872,069,263.28x = 1,307,577,013.44 × 347,519,062.88
  4. Step 4: Simplify right side
    872,069,263.28x = 454,407,938,354,097,984
  5. Step 5: Solve for x
    x = 454,407,938,354,097,984/872,069,263.28
  6. Step 6: Final answer
    x = 521,068,632.38

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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.