Home / 603,290,763.84-904,911,515.22-209,907,628.32

Finding the Fourth Proportional to 603,290,763.84, 904,911,515.22 and 209,907,628.32

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Solution

The fourth proportional to 603,290,763.84, 904,911,515.22 and 209,907,628.32 is: 314,852,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,290,763.84 : 904,911,515.22 = 209,907,628.32 : x
  2. Step 2: Convert to fraction form
    603,290,763.84/904,911,515.22 = 209,907,628.32/x
  3. Step 3: Cross multiply
    603,290,763.84x = 904,911,515.22 × 209,907,628.32
  4. Step 4: Simplify right side
    603,290,763.84x = 189,947,829,999,287,776
  5. Step 5: Solve for x
    x = 189,947,829,999,287,776/603,290,763.84
  6. Step 6: Final answer
    x = 314,852,872.59

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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.