Home / 646,787,430.60-970,223,136.30-340,677,414.60

Finding the Fourth Proportional to 646,787,430.60, 970,223,136.30 and 340,677,414.60

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Solution

The fourth proportional to 646,787,430.60, 970,223,136.30 and 340,677,414.60 is: 511,038,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,787,430.60 : 970,223,136.30 = 340,677,414.60 : x
  2. Step 2: Convert to fraction form
    646,787,430.60/970,223,136.30 = 340,677,414.60/x
  3. Step 3: Cross multiply
    646,787,430.60x = 970,223,136.30 × 340,677,414.60
  4. Step 4: Simplify right side
    646,787,430.60x = 330,533,109,659,787,392
  5. Step 5: Solve for x
    x = 330,533,109,659,787,392/646,787,430.60
  6. Step 6: Final answer
    x = 511,038,239.18

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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.