Home / 495,142,480.80-742,713,721.20-265,559,968.80

Finding the Fourth Proportional to 495,142,480.80, 742,713,721.20 and 265,559,968.80

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Solution

The fourth proportional to 495,142,480.80, 742,713,721.20 and 265,559,968.80 is: 398,339,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,142,480.80 : 742,713,721.20 = 265,559,968.80 : x
  2. Step 2: Convert to fraction form
    495,142,480.80/742,713,721.20 = 265,559,968.80/x
  3. Step 3: Cross multiply
    495,142,480.80x = 742,713,721.20 × 265,559,968.80
  4. Step 4: Simplify right side
    495,142,480.80x = 197,235,032,629,203,936
  5. Step 5: Solve for x
    x = 197,235,032,629,203,936/495,142,480.80
  6. Step 6: Final answer
    x = 398,339,953.20

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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.