Home / 434,616,613.80-651,924,920.70-143,528,663.40

Finding the Fourth Proportional to 434,616,613.80, 651,924,920.70 and 143,528,663.40

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Solution

The fourth proportional to 434,616,613.80, 651,924,920.70 and 143,528,663.40 is: 215,292,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,616,613.80 : 651,924,920.70 = 143,528,663.40 : x
  2. Step 2: Convert to fraction form
    434,616,613.80/651,924,920.70 = 143,528,663.40/x
  3. Step 3: Cross multiply
    434,616,613.80x = 651,924,920.70 × 143,528,663.40
  4. Step 4: Simplify right side
    434,616,613.80x = 93,569,912,505,222,000
  5. Step 5: Solve for x
    x = 93,569,912,505,222,000/434,616,613.80
  6. Step 6: Final answer
    x = 215,292,995.10

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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.