Home / 887,221,859.48-1,224,284,000.54-490,736,315.56

Finding the Fourth Proportional to 887,221,859.48, 1,224,284,000.54 and 490,736,315.56

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Solution

The fourth proportional to 887,221,859.48, 1,224,284,000.54 and 490,736,315.56 is: 677,170,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,221,859.48 : 1,224,284,000.54 = 490,736,315.56 : x
  2. Step 2: Convert to fraction form
    887,221,859.48/1,224,284,000.54 = 490,736,315.56/x
  3. Step 3: Cross multiply
    887,221,859.48x = 1,224,284,000.54 × 490,736,315.56
  4. Step 4: Simplify right side
    887,221,859.48x = 600,800,619,624,056,576
  5. Step 5: Solve for x
    x = 600,800,619,624,056,576/887,221,859.48
  6. Step 6: Final answer
    x = 677,170,668.42

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1.5x scale

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.