Home / 661,156,172.36-991,427,798.57-246,521,664

Finding the Fourth Proportional to 661,156,172.36, 991,427,798.57 and 246,521,664

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Solution

The fourth proportional to 661,156,172.36, 991,427,798.57 and 246,521,664 is: 369,668,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,156,172.36 : 991,427,798.57 = 246,521,664 : x
  2. Step 2: Convert to fraction form
    661,156,172.36/991,427,798.57 = 246,521,664/x
  3. Step 3: Cross multiply
    661,156,172.36x = 991,427,798.57 × 246,521,664
  4. Step 4: Simplify right side
    661,156,172.36x = 244,408,430,638,100,640
  5. Step 5: Solve for x
    x = 244,408,430,638,100,640/661,156,172.36
  6. Step 6: Final answer
    x = 369,668,227.96

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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.