Home / 875,353,313.31-1,310,926,023.38-500,725,400.63

Finding the Fourth Proportional to 875,353,313.31, 1,310,926,023.38 and 500,725,400.63

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Solution

The fourth proportional to 875,353,313.31, 1,310,926,023.38 and 500,725,400.63 is: 749,884,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,353,313.31 : 1,310,926,023.38 = 500,725,400.63 : x
  2. Step 2: Convert to fraction form
    875,353,313.31/1,310,926,023.38 = 500,725,400.63/x
  3. Step 3: Cross multiply
    875,353,313.31x = 1,310,926,023.38 × 500,725,400.63
  4. Step 4: Simplify right side
    875,353,313.31x = 656,413,958,244,184,960
  5. Step 5: Solve for x
    x = 656,413,958,244,184,960/875,353,313.31
  6. Step 6: Final answer
    x = 749,884,587.47

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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.