Home / 928,429,956.96-1,281,192,945.84-510,715,756.32

Finding the Fourth Proportional to 928,429,956.96, 1,281,192,945.84 and 510,715,756.32

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Solution

The fourth proportional to 928,429,956.96, 1,281,192,945.84 and 510,715,756.32 is: 704,765,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,429,956.96 : 1,281,192,945.84 = 510,715,756.32 : x
  2. Step 2: Convert to fraction form
    928,429,956.96/1,281,192,945.84 = 510,715,756.32/x
  3. Step 3: Cross multiply
    928,429,956.96x = 1,281,192,945.84 × 510,715,756.32
  4. Step 4: Simplify right side
    928,429,956.96x = 654,325,424,326,524,288
  5. Step 5: Solve for x
    x = 654,325,424,326,524,288/928,429,956.96
  6. Step 6: Final answer
    x = 704,765,523.15

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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.