Home / 545,935,880.70-818,903,821.05-239,825,864.70

Finding the Fourth Proportional to 545,935,880.70, 818,903,821.05 and 239,825,864.70

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Solution

The fourth proportional to 545,935,880.70, 818,903,821.05 and 239,825,864.70 is: 359,738,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,935,880.70 : 818,903,821.05 = 239,825,864.70 : x
  2. Step 2: Convert to fraction form
    545,935,880.70/818,903,821.05 = 239,825,864.70/x
  3. Step 3: Cross multiply
    545,935,880.70x = 818,903,821.05 × 239,825,864.70
  4. Step 4: Simplify right side
    545,935,880.70x = 196,394,316,989,450,304
  5. Step 5: Solve for x
    x = 196,394,316,989,450,304/545,935,880.70
  6. Step 6: Final answer
    x = 359,738,797.05

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Double scale
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1.5x scale

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.