Home / 495,151,128.40-742,726,692.60-265,568,616.40

Finding the Fourth Proportional to 495,151,128.40, 742,726,692.60 and 265,568,616.40

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Solution

The fourth proportional to 495,151,128.40, 742,726,692.60 and 265,568,616.40 is: 398,352,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,151,128.40 : 742,726,692.60 = 265,568,616.40 : x
  2. Step 2: Convert to fraction form
    495,151,128.40/742,726,692.60 = 265,568,616.40/x
  3. Step 3: Cross multiply
    495,151,128.40x = 742,726,692.60 × 265,568,616.40
  4. Step 4: Simplify right side
    495,151,128.40x = 197,244,900,117,130,144
  5. Step 5: Solve for x
    x = 197,244,900,117,130,144/495,151,128.40
  6. Step 6: Final answer
    x = 398,352,924.60

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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.