Home / 218,240,967,391.67-301,169,329,813.41-121,898,459,844.24

Finding the Fourth Proportional to 218,240,967,391.67, 301,169,329,813.41 and 121,898,459,844.24

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Solution

The fourth proportional to 218,240,967,391.67, 301,169,329,813.41 and 121,898,459,844.24 is: 168,218,084,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240,967,391.67 : 301,169,329,813.41 = 121,898,459,844.24 : x
  2. Step 2: Convert to fraction form
    218,240,967,391.67/301,169,329,813.41 = 121,898,459,844.24/x
  3. Step 3: Cross multiply
    218,240,967,391.67x = 301,169,329,813.41 × 121,898,459,844.24
  4. Step 4: Simplify right side
    218,240,967,391.67x = 36,712,077,456,576,631,275,520
  5. Step 5: Solve for x
    x = 36,712,077,456,576,631,275,520/218,240,967,391.67
  6. Step 6: Final answer
    x = 168,218,084,328.28

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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.