Home / 645,076,003.80-967,614,005.70-160,401,811.80

Finding the Fourth Proportional to 645,076,003.80, 967,614,005.70 and 160,401,811.80

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Solution

The fourth proportional to 645,076,003.80, 967,614,005.70 and 160,401,811.80 is: 240,602,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,076,003.80 : 967,614,005.70 = 160,401,811.80 : x
  2. Step 2: Convert to fraction form
    645,076,003.80/967,614,005.70 = 160,401,811.80/x
  3. Step 3: Cross multiply
    645,076,003.80x = 967,614,005.70 × 160,401,811.80
  4. Step 4: Simplify right side
    645,076,003.80x = 155,207,039,637,335,552
  5. Step 5: Solve for x
    x = 155,207,039,637,335,552/645,076,003.80
  6. Step 6: Final answer
    x = 240,602,717.70

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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.