Home / 389,895,220.92-584,838,322.52-94,792,012.34

Finding the Fourth Proportional to 389,895,220.92, 584,838,322.52 and 94,792,012.34

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Solution

The fourth proportional to 389,895,220.92, 584,838,322.52 and 94,792,012.34 is: 142,186,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,895,220.92 : 584,838,322.52 = 94,792,012.34 : x
  2. Step 2: Convert to fraction form
    389,895,220.92/584,838,322.52 = 94,792,012.34/x
  3. Step 3: Cross multiply
    389,895,220.92x = 584,838,322.52 × 94,792,012.34
  4. Step 4: Simplify right side
    389,895,220.92x = 55,438,001,485,220,744
  5. Step 5: Solve for x
    x = 55,438,001,485,220,744/389,895,220.92
  6. Step 6: Final answer
    x = 142,186,922.31

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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.