Home / 412,918,084.90-569,839,289.02-254,239,749.90

Finding the Fourth Proportional to 412,918,084.90, 569,839,289.02 and 254,239,749.90

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Solution

The fourth proportional to 412,918,084.90, 569,839,289.02 and 254,239,749.90 is: 350,858,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,918,084.90 : 569,839,289.02 = 254,239,749.90 : x
  2. Step 2: Convert to fraction form
    412,918,084.90/569,839,289.02 = 254,239,749.90/x
  3. Step 3: Cross multiply
    412,918,084.90x = 569,839,289.02 × 254,239,749.90
  4. Step 4: Simplify right side
    412,918,084.90x = 144,875,798,321,578,432
  5. Step 5: Solve for x
    x = 144,875,798,321,578,432/412,918,084.90
  6. Step 6: Final answer
    x = 350,858,447.77

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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.