Home / 862,534,155.75-1,293,283,373.76-395,610,683.64

Finding the Fourth Proportional to 862,534,155.75, 1,293,283,373.76 and 395,610,683.64

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Solution

The fourth proportional to 862,534,155.75, 1,293,283,373.76 and 395,610,683.64 is: 593,178,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,534,155.75 : 1,293,283,373.76 = 395,610,683.64 : x
  2. Step 2: Convert to fraction form
    862,534,155.75/1,293,283,373.76 = 395,610,683.64/x
  3. Step 3: Cross multiply
    862,534,155.75x = 1,293,283,373.76 × 395,610,683.64
  4. Step 4: Simplify right side
    862,534,155.75x = 511,636,719,633,439,232
  5. Step 5: Solve for x
    x = 511,636,719,633,439,232/862,534,155.75
  6. Step 6: Final answer
    x = 593,178,503.39

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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.