Home / 864,618,214.40-1,297,007,049.60-282,355,511.60

Finding the Fourth Proportional to 864,618,214.40, 1,297,007,049.60 and 282,355,511.60

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Solution

The fourth proportional to 864,618,214.40, 1,297,007,049.60 and 282,355,511.60 is: 423,559,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,214.40 : 1,297,007,049.60 = 282,355,511.60 : x
  2. Step 2: Convert to fraction form
    864,618,214.40/1,297,007,049.60 = 282,355,511.60/x
  3. Step 3: Cross multiply
    864,618,214.40x = 1,297,007,049.60 × 282,355,511.60
  4. Step 4: Simplify right side
    864,618,214.40x = 366,217,089,038,614,592
  5. Step 5: Solve for x
    x = 366,217,089,038,614,592/864,618,214.40
  6. Step 6: Final answer
    x = 423,559,303.91

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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.