Home / 456,995,235.71-685,014,464.93-191,253,212.39

Finding the Fourth Proportional to 456,995,235.71, 685,014,464.93 and 191,253,212.39

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Solution

The fourth proportional to 456,995,235.71, 685,014,464.93 and 191,253,212.39 is: 286,679,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995,235.71 : 685,014,464.93 = 191,253,212.39 : x
  2. Step 2: Convert to fraction form
    456,995,235.71/685,014,464.93 = 191,253,212.39/x
  3. Step 3: Cross multiply
    456,995,235.71x = 685,014,464.93 × 191,253,212.39
  4. Step 4: Simplify right side
    456,995,235.71x = 131,011,216,947,098,144
  5. Step 5: Solve for x
    x = 131,011,216,947,098,144/456,995,235.71
  6. Step 6: Final answer
    x = 286,679,612.20

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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.