Home / 261,617,610,022.70-361,099,475,433.10-170,393,483,155.12

Finding the Fourth Proportional to 261,617,610,022.70, 361,099,475,433.10 and 170,393,483,155.12

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Solution

The fourth proportional to 261,617,610,022.70, 361,099,475,433.10 and 170,393,483,155.12 is: 235,186,757,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,617,610,022.70 : 361,099,475,433.10 = 170,393,483,155.12 : x
  2. Step 2: Convert to fraction form
    261,617,610,022.70/361,099,475,433.10 = 170,393,483,155.12/x
  3. Step 3: Cross multiply
    261,617,610,022.70x = 361,099,475,433.10 × 170,393,483,155.12
  4. Step 4: Simplify right side
    261,617,610,022.70x = 61,528,997,384,532,583,776,256
  5. Step 5: Solve for x
    x = 61,528,997,384,532,583,776,256/261,617,610,022.70
  6. Step 6: Final answer
    x = 235,186,757,417.42

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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.