Home / 646,788,017.60-970,224,016.80-340,678,001.60

Finding the Fourth Proportional to 646,788,017.60, 970,224,016.80 and 340,678,001.60

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Solution

The fourth proportional to 646,788,017.60, 970,224,016.80 and 340,678,001.60 is: 511,039,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,788,017.60 : 970,224,016.80 = 340,678,001.60 : x
  2. Step 2: Convert to fraction form
    646,788,017.60/970,224,016.80 = 340,678,001.60/x
  3. Step 3: Cross multiply
    646,788,017.60x = 970,224,016.80 × 340,678,001.60
  4. Step 4: Simplify right side
    646,788,017.60x = 330,533,979,147,748,864
  5. Step 5: Solve for x
    x = 330,533,979,147,748,864/646,788,017.60
  6. Step 6: Final answer
    x = 511,039,119.70

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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.