Home / 2,152,423,119.12-3,228,634,721.40-516,647,721.36

Finding the Fourth Proportional to 2,152,423,119.12, 3,228,634,721.40 and 516,647,721.36

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Solution

The fourth proportional to 2,152,423,119.12, 3,228,634,721.40 and 516,647,721.36 is: 774,971,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,423,119.12 : 3,228,634,721.40 = 516,647,721.36 : x
  2. Step 2: Convert to fraction form
    2,152,423,119.12/3,228,634,721.40 = 516,647,721.36/x
  3. Step 3: Cross multiply
    2,152,423,119.12x = 3,228,634,721.40 × 516,647,721.36
  4. Step 4: Simplify right side
    2,152,423,119.12x = 1,668,066,771,915,088,640
  5. Step 5: Solve for x
    x = 1,668,066,771,915,088,640/2,152,423,119.12
  6. Step 6: Final answer
    x = 774,971,592.29

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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.