Home / 434,616,615.80-651,924,923.70-143,528,665.40

Finding the Fourth Proportional to 434,616,615.80, 651,924,923.70 and 143,528,665.40

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Solution

The fourth proportional to 434,616,615.80, 651,924,923.70 and 143,528,665.40 is: 215,292,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,616,615.80 : 651,924,923.70 = 143,528,665.40 : x
  2. Step 2: Convert to fraction form
    434,616,615.80/651,924,923.70 = 143,528,665.40/x
  3. Step 3: Cross multiply
    434,616,615.80x = 651,924,923.70 × 143,528,665.40
  4. Step 4: Simplify right side
    434,616,615.80x = 93,569,914,239,657,840
  5. Step 5: Solve for x
    x = 93,569,914,239,657,840/434,616,615.80
  6. Step 6: Final answer
    x = 215,292,998.10

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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.