Home / 646,822,858.60-970,276,278.30-340,712,842.60

Finding the Fourth Proportional to 646,822,858.60, 970,276,278.30 and 340,712,842.60

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Solution

The fourth proportional to 646,822,858.60, 970,276,278.30 and 340,712,842.60 is: 511,091,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,858.60 : 970,276,278.30 = 340,712,842.60 : x
  2. Step 2: Convert to fraction form
    646,822,858.60/970,276,278.30 = 340,712,842.60/x
  3. Step 3: Cross multiply
    646,822,858.60x = 970,276,278.30 × 340,712,842.60
  4. Step 4: Simplify right side
    646,822,858.60x = 330,585,588,886,941,696
  5. Step 5: Solve for x
    x = 330,585,588,886,941,696/646,822,858.60
  6. Step 6: Final answer
    x = 511,091,382.27

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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.