Home / 660,169,089.98-911,055,186.60-362,821,871.88

Finding the Fourth Proportional to 660,169,089.98, 911,055,186.60 and 362,821,871.88

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Solution

The fourth proportional to 660,169,089.98, 911,055,186.60 and 362,821,871.88 is: 500,706,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,169,089.98 : 911,055,186.60 = 362,821,871.88 : x
  2. Step 2: Convert to fraction form
    660,169,089.98/911,055,186.60 = 362,821,871.88/x
  3. Step 3: Cross multiply
    660,169,089.98x = 911,055,186.60 × 362,821,871.88
  4. Step 4: Simplify right side
    660,169,089.98x = 330,550,748,188,194,688
  5. Step 5: Solve for x
    x = 330,550,748,188,194,688/660,169,089.98
  6. Step 6: Final answer
    x = 500,706,187.56

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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.