Home / 613,326,027.40-919,535,268.30-289,831,985.80

Finding the Fourth Proportional to 613,326,027.40, 919,535,268.30 and 289,831,985.80

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Solution

The fourth proportional to 613,326,027.40, 919,535,268.30 and 289,831,985.80 is: 434,533,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,326,027.40 : 919,535,268.30 = 289,831,985.80 : x
  2. Step 2: Convert to fraction form
    613,326,027.40/919,535,268.30 = 289,831,985.80/x
  3. Step 3: Cross multiply
    613,326,027.40x = 919,535,268.30 × 289,831,985.80
  4. Step 4: Simplify right side
    613,326,027.40x = 266,510,732,824,524,800
  5. Step 5: Solve for x
    x = 266,510,732,824,524,800/613,326,027.40
  6. Step 6: Final answer
    x = 434,533,544.83

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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.