Home / 398,630,853.80-597,946,280.70-183,640,005.80

Finding the Fourth Proportional to 398,630,853.80, 597,946,280.70 and 183,640,005.80

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Solution

The fourth proportional to 398,630,853.80, 597,946,280.70 and 183,640,005.80 is: 275,460,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,630,853.80 : 597,946,280.70 = 183,640,005.80 : x
  2. Step 2: Convert to fraction form
    398,630,853.80/597,946,280.70 = 183,640,005.80/x
  3. Step 3: Cross multiply
    398,630,853.80x = 597,946,280.70 × 183,640,005.80
  4. Step 4: Simplify right side
    398,630,853.80x = 109,806,858,455,836,448
  5. Step 5: Solve for x
    x = 109,806,858,455,836,448/398,630,853.80
  6. Step 6: Final answer
    x = 275,460,008.70

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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.