Home / 711,359,063.36-1,066,889,295.84-200,636,360

Finding the Fourth Proportional to 711,359,063.36, 1,066,889,295.84 and 200,636,360

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Solution

The fourth proportional to 711,359,063.36, 1,066,889,295.84 and 200,636,360 is: 300,912,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,359,063.36 : 1,066,889,295.84 = 200,636,360 : x
  2. Step 2: Convert to fraction form
    711,359,063.36/1,066,889,295.84 = 200,636,360/x
  3. Step 3: Cross multiply
    711,359,063.36x = 1,066,889,295.84 × 200,636,360
  4. Step 4: Simplify right side
    711,359,063.36x = 214,056,784,840,300,736
  5. Step 5: Solve for x
    x = 214,056,784,840,300,736/711,359,063.36
  6. Step 6: Final answer
    x = 300,912,430.68

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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.