Home / 7,280,736,000.80-10,921,104,001.20-7,076,662,656.80

Finding the Fourth Proportional to 7,280,736,000.80, 10,921,104,001.20 and 7,076,662,656.80

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Solution

The fourth proportional to 7,280,736,000.80, 10,921,104,001.20 and 7,076,662,656.80 is: 10,614,993,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,736,000.80 : 10,921,104,001.20 = 7,076,662,656.80 : x
  2. Step 2: Convert to fraction form
    7,280,736,000.80/10,921,104,001.20 = 7,076,662,656.80/x
  3. Step 3: Cross multiply
    7,280,736,000.80x = 10,921,104,001.20 × 7,076,662,656.80
  4. Step 4: Simplify right side
    7,280,736,000.80x = 77,284,968,856,321,114,112
  5. Step 5: Solve for x
    x = 77,284,968,856,321,114,112/7,280,736,000.80
  6. Step 6: Final answer
    x = 10,614,993,985.20

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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.