Home / 862,870,845.60-1,294,837,709.40-371,819,361.60

Finding the Fourth Proportional to 862,870,845.60, 1,294,837,709.40 and 371,819,361.60

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Solution

The fourth proportional to 862,870,845.60, 1,294,837,709.40 and 371,819,361.60 is: 557,958,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,870,845.60 : 1,294,837,709.40 = 371,819,361.60 : x
  2. Step 2: Convert to fraction form
    862,870,845.60/1,294,837,709.40 = 371,819,361.60/x
  3. Step 3: Cross multiply
    862,870,845.60x = 1,294,837,709.40 × 371,819,361.60
  4. Step 4: Simplify right side
    862,870,845.60x = 481,445,730,484,714,368
  5. Step 5: Solve for x
    x = 481,445,730,484,714,368/862,870,845.60
  6. Step 6: Final answer
    x = 557,958,045.45

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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.