Home / 485,698,783.66-670,264,321.61-262,680,463.77

Finding the Fourth Proportional to 485,698,783.66, 670,264,321.61 and 262,680,463.77

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Solution

The fourth proportional to 485,698,783.66, 670,264,321.61 and 262,680,463.77 is: 362,499,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,698,783.66 : 670,264,321.61 = 262,680,463.77 : x
  2. Step 2: Convert to fraction form
    485,698,783.66/670,264,321.61 = 262,680,463.77/x
  3. Step 3: Cross multiply
    485,698,783.66x = 670,264,321.61 × 262,680,463.77
  4. Step 4: Simplify right side
    485,698,783.66x = 176,065,342,848,999,232
  5. Step 5: Solve for x
    x = 176,065,342,848,999,232/485,698,783.66
  6. Step 6: Final answer
    x = 362,499,040.09

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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.