Home / 830,734,611.47-1,246,104,027.78-339,447,881.81

Finding the Fourth Proportional to 830,734,611.47, 1,246,104,027.78 and 339,447,881.81

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Solution

The fourth proportional to 830,734,611.47, 1,246,104,027.78 and 339,447,881.81 is: 509,172,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,734,611.47 : 1,246,104,027.78 = 339,447,881.81 : x
  2. Step 2: Convert to fraction form
    830,734,611.47/1,246,104,027.78 = 339,447,881.81/x
  3. Step 3: Cross multiply
    830,734,611.47x = 1,246,104,027.78 × 339,447,881.81
  4. Step 4: Simplify right side
    830,734,611.47x = 422,987,372,739,699,072
  5. Step 5: Solve for x
    x = 422,987,372,739,699,072/830,734,611.47
  6. Step 6: Final answer
    x = 509,172,685.11

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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.