Home / 398,630,860.80-597,946,291.20-183,640,012.80

Finding the Fourth Proportional to 398,630,860.80, 597,946,291.20 and 183,640,012.80

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Solution

The fourth proportional to 398,630,860.80, 597,946,291.20 and 183,640,012.80 is: 275,460,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,630,860.80 : 597,946,291.20 = 183,640,012.80 : x
  2. Step 2: Convert to fraction form
    398,630,860.80/597,946,291.20 = 183,640,012.80/x
  3. Step 3: Cross multiply
    398,630,860.80x = 597,946,291.20 × 183,640,012.80
  4. Step 4: Simplify right side
    398,630,860.80x = 109,806,864,569,680,544
  5. Step 5: Solve for x
    x = 109,806,864,569,680,544/398,630,860.80
  6. Step 6: Final answer
    x = 275,460,019.20

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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.