Home / 459,552,057.23-688,909,576.05-168,348,961.28

Finding the Fourth Proportional to 459,552,057.23, 688,909,576.05 and 168,348,961.28

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Solution

The fourth proportional to 459,552,057.23, 688,909,576.05 and 168,348,961.28 is: 252,370,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,552,057.23 : 688,909,576.05 = 168,348,961.28 : x
  2. Step 2: Convert to fraction form
    459,552,057.23/688,909,576.05 = 168,348,961.28/x
  3. Step 3: Cross multiply
    459,552,057.23x = 688,909,576.05 × 168,348,961.28
  4. Step 4: Simplify right side
    459,552,057.23x = 115,977,211,540,418,112
  5. Step 5: Solve for x
    x = 115,977,211,540,418,112/459,552,057.23
  6. Step 6: Final answer
    x = 252,370,128.08

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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.