Home / 489,832,195.32-734,749,303.86-459,901,438.20

Finding the Fourth Proportional to 489,832,195.32, 734,749,303.86 and 459,901,438.20

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Solution

The fourth proportional to 489,832,195.32, 734,749,303.86 and 459,901,438.20 is: 689,853,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,832,195.32 : 734,749,303.86 = 459,901,438.20 : x
  2. Step 2: Convert to fraction form
    489,832,195.32/734,749,303.86 = 459,901,438.20/x
  3. Step 3: Cross multiply
    489,832,195.32x = 734,749,303.86 × 459,901,438.20
  4. Step 4: Simplify right side
    489,832,195.32x = 337,912,261,561,662,784
  5. Step 5: Solve for x
    x = 337,912,261,561,662,784/489,832,195.32
  6. Step 6: Final answer
    x = 689,853,106.41

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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.