Home / 879,170,599.32-1,213,257,814.40-482,719,267.50

Finding the Fourth Proportional to 879,170,599.32, 1,213,257,814.40 and 482,719,267.50

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Solution

The fourth proportional to 879,170,599.32, 1,213,257,814.40 and 482,719,267.50 is: 666,153,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,170,599.32 : 1,213,257,814.40 = 482,719,267.50 : x
  2. Step 2: Convert to fraction form
    879,170,599.32/1,213,257,814.40 = 482,719,267.50/x
  3. Step 3: Cross multiply
    879,170,599.32x = 1,213,257,814.40 × 482,719,267.50
  4. Step 4: Simplify right side
    879,170,599.32x = 585,662,923,455,819,008
  5. Step 5: Solve for x
    x = 585,662,923,455,819,008/879,170,599.32
  6. Step 6: Final answer
    x = 666,153,899.95

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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.