Home / 489,888,096.80-734,832,145.20-166,771,968.80

Finding the Fourth Proportional to 489,888,096.80, 734,832,145.20 and 166,771,968.80

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Solution

The fourth proportional to 489,888,096.80, 734,832,145.20 and 166,771,968.80 is: 250,157,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,888,096.80 : 734,832,145.20 = 166,771,968.80 : x
  2. Step 2: Convert to fraction form
    489,888,096.80/734,832,145.20 = 166,771,968.80/x
  3. Step 3: Cross multiply
    489,888,096.80x = 734,832,145.20 × 166,771,968.80
  4. Step 4: Simplify right side
    489,888,096.80x = 122,549,403,592,531,488
  5. Step 5: Solve for x
    x = 122,549,403,592,531,488/489,888,096.80
  6. Step 6: Final answer
    x = 250,157,953.20

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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.