Home / 486,140,012,988.84-729,143,823,940.92-127,961,992,605.24

Finding the Fourth Proportional to 486,140,012,988.84, 729,143,823,940.92 and 127,961,992,605.24

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Solution

The fourth proportional to 486,140,012,988.84, 729,143,823,940.92 and 127,961,992,605.24 is: 191,925,564,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,140,012,988.84 : 729,143,823,940.92 = 127,961,992,605.24 : x
  2. Step 2: Convert to fraction form
    486,140,012,988.84/729,143,823,940.92 = 127,961,992,605.24/x
  3. Step 3: Cross multiply
    486,140,012,988.84x = 729,143,823,940.92 × 127,961,992,605.24
  4. Step 4: Simplify right side
    486,140,012,988.84x = 93,302,696,607,284,438,499,328
  5. Step 5: Solve for x
    x = 93,302,696,607,284,438,499,328/486,140,012,988.84
  6. Step 6: Final answer
    x = 191,925,564,887.47

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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.