Home / 489,942,000.60-734,913,000.90-245,053,987.80

Finding the Fourth Proportional to 489,942,000.60, 734,913,000.90 and 245,053,987.80

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Solution

The fourth proportional to 489,942,000.60, 734,913,000.90 and 245,053,987.80 is: 367,580,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942,000.60 : 734,913,000.90 = 245,053,987.80 : x
  2. Step 2: Convert to fraction form
    489,942,000.60/734,913,000.90 = 245,053,987.80/x
  3. Step 3: Cross multiply
    489,942,000.60x = 734,913,000.90 × 245,053,987.80
  4. Step 4: Simplify right side
    489,942,000.60x = 180,093,361,556,609,984
  5. Step 5: Solve for x
    x = 180,093,361,556,609,984/489,942,000.60
  6. Step 6: Final answer
    x = 367,580,981.70

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1.5x scale

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.