Home / 603,210,363.84-904,961,409.60-209,680,378.56

Finding the Fourth Proportional to 603,210,363.84, 904,961,409.60 and 209,680,378.56

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Solution

The fourth proportional to 603,210,363.84, 904,961,409.60 and 209,680,378.56 is: 314,571,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,210,363.84 : 904,961,409.60 = 209,680,378.56 : x
  2. Step 2: Convert to fraction form
    603,210,363.84/904,961,409.60 = 209,680,378.56/x
  3. Step 3: Cross multiply
    603,210,363.84x = 904,961,409.60 × 209,680,378.56
  4. Step 4: Simplify right side
    603,210,363.84x = 189,752,650,947,119,232
  5. Step 5: Solve for x
    x = 189,752,650,947,119,232/603,210,363.84
  6. Step 6: Final answer
    x = 314,571,271.19

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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.