Home / 1,488,485,652.28-2,054,047,274.24-810,288,502.56

Finding the Fourth Proportional to 1,488,485,652.28, 2,054,047,274.24 and 810,288,502.56

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Solution

The fourth proportional to 1,488,485,652.28, 2,054,047,274.24 and 810,288,502.56 is: 1,118,163,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,485,652.28 : 2,054,047,274.24 = 810,288,502.56 : x
  2. Step 2: Convert to fraction form
    1,488,485,652.28/2,054,047,274.24 = 810,288,502.56/x
  3. Step 3: Cross multiply
    1,488,485,652.28x = 2,054,047,274.24 × 810,288,502.56
  4. Step 4: Simplify right side
    1,488,485,652.28x = 1,664,370,890,031,379,200
  5. Step 5: Solve for x
    x = 1,664,370,890,031,379,200/1,488,485,652.28
  6. Step 6: Final answer
    x = 1,118,163,878.49

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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.