Home / 348,541,833.02-480,999,534.41-189,778,113.28

Finding the Fourth Proportional to 348,541,833.02, 480,999,534.41 and 189,778,113.28

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Solution

The fourth proportional to 348,541,833.02, 480,999,534.41 and 189,778,113.28 is: 261,900,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,541,833.02 : 480,999,534.41 = 189,778,113.28 : x
  2. Step 2: Convert to fraction form
    348,541,833.02/480,999,534.41 = 189,778,113.28/x
  3. Step 3: Cross multiply
    348,541,833.02x = 480,999,534.41 × 189,778,113.28
  4. Step 4: Simplify right side
    348,541,833.02x = 91,283,184,128,160,192
  5. Step 5: Solve for x
    x = 91,283,184,128,160,192/348,541,833.02
  6. Step 6: Final answer
    x = 261,900,223.96

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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.