Home / 646,673,073.10-970,009,609.65-186,626,250.70

Finding the Fourth Proportional to 646,673,073.10, 970,009,609.65 and 186,626,250.70

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Solution

The fourth proportional to 646,673,073.10, 970,009,609.65 and 186,626,250.70 is: 279,939,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,673,073.10 : 970,009,609.65 = 186,626,250.70 : x
  2. Step 2: Convert to fraction form
    646,673,073.10/970,009,609.65 = 186,626,250.70/x
  3. Step 3: Cross multiply
    646,673,073.10x = 970,009,609.65 × 186,626,250.70
  4. Step 4: Simplify right side
    646,673,073.10x = 181,029,256,591,950,016
  5. Step 5: Solve for x
    x = 181,029,256,591,950,016/646,673,073.10
  6. Step 6: Final answer
    x = 279,939,376.05

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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.