Home / 637,903,809.80-957,303,612.30-274,658,856.20

Finding the Fourth Proportional to 637,903,809.80, 957,303,612.30 and 274,658,856.20

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Solution

The fourth proportional to 637,903,809.80, 957,303,612.30 and 274,658,856.20 is: 412,181,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,903,809.80 : 957,303,612.30 = 274,658,856.20 : x
  2. Step 2: Convert to fraction form
    637,903,809.80/957,303,612.30 = 274,658,856.20/x
  3. Step 3: Cross multiply
    637,903,809.80x = 957,303,612.30 × 274,658,856.20
  4. Step 4: Simplify right side
    637,903,809.80x = 262,931,915,190,446,240
  5. Step 5: Solve for x
    x = 262,931,915,190,446,240/637,903,809.80
  6. Step 6: Final answer
    x = 412,181,133.19

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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.