Home / 646,828,917.60-970,285,366.80-340,718,901.60

Finding the Fourth Proportional to 646,828,917.60, 970,285,366.80 and 340,718,901.60

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Solution

The fourth proportional to 646,828,917.60, 970,285,366.80 and 340,718,901.60 is: 511,100,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,828,917.60 : 970,285,366.80 = 340,718,901.60 : x
  2. Step 2: Convert to fraction form
    646,828,917.60/970,285,366.80 = 340,718,901.60/x
  3. Step 3: Cross multiply
    646,828,917.60x = 970,285,366.80 × 340,718,901.60
  4. Step 4: Simplify right side
    646,828,917.60x = 330,594,564,414,649,088
  5. Step 5: Solve for x
    x = 330,594,564,414,649,088/646,828,917.60
  6. Step 6: Final answer
    x = 511,100,470.96

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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.