Home / 389,895,215.90-584,838,315.05-94,792,007.34

Finding the Fourth Proportional to 389,895,215.90, 584,838,315.05 and 94,792,007.34

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Solution

The fourth proportional to 389,895,215.90, 584,838,315.05 and 94,792,007.34 is: 142,186,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,895,215.90 : 584,838,315.05 = 94,792,007.34 : x
  2. Step 2: Convert to fraction form
    389,895,215.90/584,838,315.05 = 94,792,007.34/x
  3. Step 3: Cross multiply
    389,895,215.90x = 584,838,315.05 × 94,792,007.34
  4. Step 4: Simplify right side
    389,895,215.90x = 55,437,997,852,458,872
  5. Step 5: Solve for x
    x = 55,437,997,852,458,872/389,895,215.90
  6. Step 6: Final answer
    x = 142,186,914.82

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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.