Home / 630,080,237.40-945,120,356.10-543,915,936.60

Finding the Fourth Proportional to 630,080,237.40, 945,120,356.10 and 543,915,936.60

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Solution

The fourth proportional to 630,080,237.40, 945,120,356.10 and 543,915,936.60 is: 815,873,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,080,237.40 : 945,120,356.10 = 543,915,936.60 : x
  2. Step 2: Convert to fraction form
    630,080,237.40/945,120,356.10 = 543,915,936.60/x
  3. Step 3: Cross multiply
    630,080,237.40x = 945,120,356.10 × 543,915,936.60
  4. Step 4: Simplify right side
    630,080,237.40x = 514,066,023,687,857,088
  5. Step 5: Solve for x
    x = 514,066,023,687,857,088/630,080,237.40
  6. Step 6: Final answer
    x = 815,873,904.90

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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.