Home / 807,906,750.48-1,212,210,089.46-433,978,322.40

Finding the Fourth Proportional to 807,906,750.48, 1,212,210,089.46 and 433,978,322.40

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Solution

The fourth proportional to 807,906,750.48, 1,212,210,089.46 and 433,978,322.40 is: 651,155,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,906,750.48 : 1,212,210,089.46 = 433,978,322.40 : x
  2. Step 2: Convert to fraction form
    807,906,750.48/1,212,210,089.46 = 433,978,322.40/x
  3. Step 3: Cross multiply
    807,906,750.48x = 1,212,210,089.46 × 433,978,322.40
  4. Step 4: Simplify right side
    807,906,750.48x = 526,072,901,020,204,736
  5. Step 5: Solve for x
    x = 526,072,901,020,204,736/807,906,750.48
  6. Step 6: Final answer
    x = 651,155,471.48

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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.