Home / 646,827,665.10-970,241,497.65-186,780,842.70

Finding the Fourth Proportional to 646,827,665.10, 970,241,497.65 and 186,780,842.70

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Solution

The fourth proportional to 646,827,665.10, 970,241,497.65 and 186,780,842.70 is: 280,171,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,827,665.10 : 970,241,497.65 = 186,780,842.70 : x
  2. Step 2: Convert to fraction form
    646,827,665.10/970,241,497.65 = 186,780,842.70/x
  3. Step 3: Cross multiply
    646,827,665.10x = 970,241,497.65 × 186,780,842.70
  4. Step 4: Simplify right side
    646,827,665.10x = 181,222,524,553,577,056
  5. Step 5: Solve for x
    x = 181,222,524,553,577,056/646,827,665.10
  6. Step 6: Final answer
    x = 280,171,264.05

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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.