Home / 862,142,802.36-1,294,031,795.52-533,624,576.64

Finding the Fourth Proportional to 862,142,802.36, 1,294,031,795.52 and 533,624,576.64

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Solution

The fourth proportional to 862,142,802.36, 1,294,031,795.52 and 533,624,576.64 is: 800,942,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,142,802.36 : 1,294,031,795.52 = 533,624,576.64 : x
  2. Step 2: Convert to fraction form
    862,142,802.36/1,294,031,795.52 = 533,624,576.64/x
  3. Step 3: Cross multiply
    862,142,802.36x = 1,294,031,795.52 × 533,624,576.64
  4. Step 4: Simplify right side
    862,142,802.36x = 690,527,169,043,059,072
  5. Step 5: Solve for x
    x = 690,527,169,043,059,072/862,142,802.36
  6. Step 6: Final answer
    x = 800,942,914.74

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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.