Home / 646,822,859.60-970,276,279.80-340,712,843.60

Finding the Fourth Proportional to 646,822,859.60, 970,276,279.80 and 340,712,843.60

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Solution

The fourth proportional to 646,822,859.60, 970,276,279.80 and 340,712,843.60 is: 511,091,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,859.60 : 970,276,279.80 = 340,712,843.60 : x
  2. Step 2: Convert to fraction form
    646,822,859.60/970,276,279.80 = 340,712,843.60/x
  3. Step 3: Cross multiply
    646,822,859.60x = 970,276,279.80 × 340,712,843.60
  4. Step 4: Simplify right side
    646,822,859.60x = 330,585,590,368,287,232
  5. Step 5: Solve for x
    x = 330,585,590,368,287,232/646,822,859.60
  6. Step 6: Final answer
    x = 511,091,383.77

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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.