Home / 434,616,614.80-651,924,922.20-143,528,664.40

Finding the Fourth Proportional to 434,616,614.80, 651,924,922.20 and 143,528,664.40

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Solution

The fourth proportional to 434,616,614.80, 651,924,922.20 and 143,528,664.40 is: 215,292,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,616,614.80 : 651,924,922.20 = 143,528,664.40 : x
  2. Step 2: Convert to fraction form
    434,616,614.80/651,924,922.20 = 143,528,664.40/x
  3. Step 3: Cross multiply
    434,616,614.80x = 651,924,922.20 × 143,528,664.40
  4. Step 4: Simplify right side
    434,616,614.80x = 93,569,913,372,439,920
  5. Step 5: Solve for x
    x = 93,569,913,372,439,920/434,616,614.80
  6. Step 6: Final answer
    x = 215,292,996.60

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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.