Home / 1,539,651,687.30-2,309,477,530.95-721,846,656.90

Finding the Fourth Proportional to 1,539,651,687.30, 2,309,477,530.95 and 721,846,656.90

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Solution

The fourth proportional to 1,539,651,687.30, 2,309,477,530.95 and 721,846,656.90 is: 1,082,769,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,651,687.30 : 2,309,477,530.95 = 721,846,656.90 : x
  2. Step 2: Convert to fraction form
    1,539,651,687.30/2,309,477,530.95 = 721,846,656.90/x
  3. Step 3: Cross multiply
    1,539,651,687.30x = 2,309,477,530.95 × 721,846,656.90
  4. Step 4: Simplify right side
    1,539,651,687.30x = 1,667,088,634,901,923,584
  5. Step 5: Solve for x
    x = 1,667,088,634,901,923,584/1,539,651,687.30
  6. Step 6: Final answer
    x = 1,082,769,985.35

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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.