Home / 690,558,035.08-1,035,138,942.78-297,341,296.28

Finding the Fourth Proportional to 690,558,035.08, 1,035,138,942.78 and 297,341,296.28

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Solution

The fourth proportional to 690,558,035.08, 1,035,138,942.78 and 297,341,296.28 is: 445,711,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,558,035.08 : 1,035,138,942.78 = 297,341,296.28 : x
  2. Step 2: Convert to fraction form
    690,558,035.08/1,035,138,942.78 = 297,341,296.28/x
  3. Step 3: Cross multiply
    690,558,035.08x = 1,035,138,942.78 × 297,341,296.28
  4. Step 4: Simplify right side
    690,558,035.08x = 307,789,555,076,113,920
  5. Step 5: Solve for x
    x = 307,789,555,076,113,920/690,558,035.08
  6. Step 6: Final answer
    x = 445,711,351.46

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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.