Home / 645,076,004.80-967,614,007.20-160,401,812.80

Finding the Fourth Proportional to 645,076,004.80, 967,614,007.20 and 160,401,812.80

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Solution

The fourth proportional to 645,076,004.80, 967,614,007.20 and 160,401,812.80 is: 240,602,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,076,004.80 : 967,614,007.20 = 160,401,812.80 : x
  2. Step 2: Convert to fraction form
    645,076,004.80/967,614,007.20 = 160,401,812.80/x
  3. Step 3: Cross multiply
    645,076,004.80x = 967,614,007.20 × 160,401,812.80
  4. Step 4: Simplify right side
    645,076,004.80x = 155,207,040,845,552,256
  5. Step 5: Solve for x
    x = 155,207,040,845,552,256/645,076,004.80
  6. Step 6: Final answer
    x = 240,602,719.20

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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.