Home / 658,893,203.12-909,353,257.62-380,434,259.18

Finding the Fourth Proportional to 658,893,203.12, 909,353,257.62 and 380,434,259.18

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Solution

The fourth proportional to 658,893,203.12, 909,353,257.62 and 380,434,259.18 is: 525,045,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,893,203.12 : 909,353,257.62 = 380,434,259.18 : x
  2. Step 2: Convert to fraction form
    658,893,203.12/909,353,257.62 = 380,434,259.18/x
  3. Step 3: Cross multiply
    658,893,203.12x = 909,353,257.62 × 380,434,259.18
  4. Step 4: Simplify right side
    658,893,203.12x = 345,949,132,895,584,384
  5. Step 5: Solve for x
    x = 345,949,132,895,584,384/658,893,203.12
  6. Step 6: Final answer
    x = 525,045,836.35

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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.