Home / 489,933,830.80-734,900,746.20-166,817,702.80

Finding the Fourth Proportional to 489,933,830.80, 734,900,746.20 and 166,817,702.80

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Solution

The fourth proportional to 489,933,830.80, 734,900,746.20 and 166,817,702.80 is: 250,226,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,933,830.80 : 734,900,746.20 = 166,817,702.80 : x
  2. Step 2: Convert to fraction form
    489,933,830.80/734,900,746.20 = 166,817,702.80/x
  3. Step 3: Cross multiply
    489,933,830.80x = 734,900,746.20 × 166,817,702.80
  4. Step 4: Simplify right side
    489,933,830.80x = 122,594,454,267,089,840
  5. Step 5: Solve for x
    x = 122,594,454,267,089,840/489,933,830.80
  6. Step 6: Final answer
    x = 250,226,554.20

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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.