Home / 301,151,419.32-451,528,892.82-198,602,775.48

Finding the Fourth Proportional to 301,151,419.32, 451,528,892.82 and 198,602,775.48

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Solution

The fourth proportional to 301,151,419.32, 451,528,892.82 and 198,602,775.48 is: 297,773,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,151,419.32 : 451,528,892.82 = 198,602,775.48 : x
  2. Step 2: Convert to fraction form
    301,151,419.32/451,528,892.82 = 198,602,775.48/x
  3. Step 3: Cross multiply
    301,151,419.32x = 451,528,892.82 × 198,602,775.48
  4. Step 4: Simplify right side
    301,151,419.32x = 89,674,891,323,463,440
  5. Step 5: Solve for x
    x = 89,674,891,323,463,440/301,151,419.32
  6. Step 6: Final answer
    x = 297,773,430.81

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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.