Home / 742,868,000.20-1,114,302,000.30-731,388,874.60

Finding the Fourth Proportional to 742,868,000.20, 1,114,302,000.30 and 731,388,874.60

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Solution

The fourth proportional to 742,868,000.20, 1,114,302,000.30 and 731,388,874.60 is: 1,097,083,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,868,000.20 : 1,114,302,000.30 = 731,388,874.60 : x
  2. Step 2: Convert to fraction form
    742,868,000.20/1,114,302,000.30 = 731,388,874.60/x
  3. Step 3: Cross multiply
    742,868,000.20x = 1,114,302,000.30 × 731,388,874.60
  4. Step 4: Simplify right side
    742,868,000.20x = 814,988,085,963,945,856
  5. Step 5: Solve for x
    x = 814,988,085,963,945,856/742,868,000.20
  6. Step 6: Final answer
    x = 1,097,083,311.90

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1.5x scale

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.