Home / 1,090,848,969.59-1,636,503,259.57-353,861,328.43

Finding the Fourth Proportional to 1,090,848,969.59, 1,636,503,259.57 and 353,861,328.43

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Solution

The fourth proportional to 1,090,848,969.59, 1,636,503,259.57 and 353,861,328.43 is: 530,866,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,848,969.59 : 1,636,503,259.57 = 353,861,328.43 : x
  2. Step 2: Convert to fraction form
    1,090,848,969.59/1,636,503,259.57 = 353,861,328.43/x
  3. Step 3: Cross multiply
    1,090,848,969.59x = 1,636,503,259.57 × 353,861,328.43
  4. Step 4: Simplify right side
    1,090,848,969.59x = 579,095,217,412,626,304
  5. Step 5: Solve for x
    x = 579,095,217,412,626,304/1,090,848,969.59
  6. Step 6: Final answer
    x = 530,866,539.33

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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.