Home / 65,325,480,900.85-90,137,196,399.80-36,388,950,701.78

Finding the Fourth Proportional to 65,325,480,900.85, 90,137,196,399.80 and 36,388,950,701.78

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Solution

The fourth proportional to 65,325,480,900.85, 90,137,196,399.80 and 36,388,950,701.78 is: 50,210,085,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,325,480,900.85 : 90,137,196,399.80 = 36,388,950,701.78 : x
  2. Step 2: Convert to fraction form
    65,325,480,900.85/90,137,196,399.80 = 36,388,950,701.78/x
  3. Step 3: Cross multiply
    65,325,480,900.85x = 90,137,196,399.80 × 36,388,950,701.78
  4. Step 4: Simplify right side
    65,325,480,900.85x = 3,279,997,996,189,362,946,048
  5. Step 5: Solve for x
    x = 3,279,997,996,189,362,946,048/65,325,480,900.85
  6. Step 6: Final answer
    x = 50,210,085,727.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.