Home / 1,268,720,894.40-1,903,173,063.96-531,048,899.94

Finding the Fourth Proportional to 1,268,720,894.40, 1,903,173,063.96 and 531,048,899.94

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Solution

The fourth proportional to 1,268,720,894.40, 1,903,173,063.96 and 531,048,899.94 is: 796,611,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,720,894.40 : 1,903,173,063.96 = 531,048,899.94 : x
  2. Step 2: Convert to fraction form
    1,268,720,894.40/1,903,173,063.96 = 531,048,899.94/x
  3. Step 3: Cross multiply
    1,268,720,894.40x = 1,903,173,063.96 × 531,048,899.94
  4. Step 4: Simplify right side
    1,268,720,894.40x = 1,010,677,962,011,397,248
  5. Step 5: Solve for x
    x = 1,010,677,962,011,397,248/1,268,720,894.40
  6. Step 6: Final answer
    x = 796,611,742.17

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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.