Home / 282,669,954,021.36-390,085,801,826.76-154,211,013,372.24

Finding the Fourth Proportional to 282,669,954,021.36, 390,085,801,826.76 and 154,211,013,372.24

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Solution

The fourth proportional to 282,669,954,021.36, 390,085,801,826.76 and 154,211,013,372.24 is: 212,811,888,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,669,954,021.36 : 390,085,801,826.76 = 154,211,013,372.24 : x
  2. Step 2: Convert to fraction form
    282,669,954,021.36/390,085,801,826.76 = 154,211,013,372.24/x
  3. Step 3: Cross multiply
    282,669,954,021.36x = 390,085,801,826.76 × 154,211,013,372.24
  4. Step 4: Simplify right side
    282,669,954,021.36x = 60,155,526,801,827,446,128,640
  5. Step 5: Solve for x
    x = 60,155,526,801,827,446,128,640/282,669,954,021.36
  6. Step 6: Final answer
    x = 212,811,888,727.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.