Home / 711,088,124.00-981,294,381.36-393,548,989.50

Finding the Fourth Proportional to 711,088,124.00, 981,294,381.36 and 393,548,989.50

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Solution

The fourth proportional to 711,088,124.00, 981,294,381.36 and 393,548,989.50 is: 543,093,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,088,124.00 : 981,294,381.36 = 393,548,989.50 : x
  2. Step 2: Convert to fraction form
    711,088,124.00/981,294,381.36 = 393,548,989.50/x
  3. Step 3: Cross multiply
    711,088,124.00x = 981,294,381.36 × 393,548,989.50
  4. Step 4: Simplify right side
    711,088,124.00x = 386,187,412,186,255,616
  5. Step 5: Solve for x
    x = 386,187,412,186,255,616/711,088,124.00
  6. Step 6: Final answer
    x = 543,093,604.23

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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.