Home / 729,158,368.04-1,093,786,315.14-256,400,931.61

Finding the Fourth Proportional to 729,158,368.04, 1,093,786,315.14 and 256,400,931.61

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Solution

The fourth proportional to 729,158,368.04, 1,093,786,315.14 and 256,400,931.61 is: 384,618,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,158,368.04 : 1,093,786,315.14 = 256,400,931.61 : x
  2. Step 2: Convert to fraction form
    729,158,368.04/1,093,786,315.14 = 256,400,931.61/x
  3. Step 3: Cross multiply
    729,158,368.04x = 1,093,786,315.14 × 256,400,931.61
  4. Step 4: Simplify right side
    729,158,368.04x = 280,447,830,184,165,088
  5. Step 5: Solve for x
    x = 280,447,830,184,165,088/729,158,368.04
  6. Step 6: Final answer
    x = 384,618,544.44

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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.