Home / 5,139,348,249.60-7,091,673,562.80-2,880,766,514.88

Finding the Fourth Proportional to 5,139,348,249.60, 7,091,673,562.80 and 2,880,766,514.88

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Solution

The fourth proportional to 5,139,348,249.60, 7,091,673,562.80 and 2,880,766,514.88 is: 3,975,106,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,348,249.60 : 7,091,673,562.80 = 2,880,766,514.88 : x
  2. Step 2: Convert to fraction form
    5,139,348,249.60/7,091,673,562.80 = 2,880,766,514.88/x
  3. Step 3: Cross multiply
    5,139,348,249.60x = 7,091,673,562.80 × 2,880,766,514.88
  4. Step 4: Simplify right side
    5,139,348,249.60x = 20,429,455,734,173,990,912
  5. Step 5: Solve for x
    x = 20,429,455,734,173,990,912/5,139,348,249.60
  6. Step 6: Final answer
    x = 3,975,106,325.16

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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.