Home / 2,639,432,178.45-3,642,011,498.93-1,525,383,126.45

Finding the Fourth Proportional to 2,639,432,178.45, 3,642,011,498.93 and 1,525,383,126.45

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Solution

The fourth proportional to 2,639,432,178.45, 3,642,011,498.93 and 1,525,383,126.45 is: 2,104,794,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,432,178.45 : 3,642,011,498.93 = 1,525,383,126.45 : x
  2. Step 2: Convert to fraction form
    2,639,432,178.45/3,642,011,498.93 = 1,525,383,126.45/x
  3. Step 3: Cross multiply
    2,639,432,178.45x = 3,642,011,498.93 × 1,525,383,126.45
  4. Step 4: Simplify right side
    2,639,432,178.45x = 5,555,462,886,797,068,288
  5. Step 5: Solve for x
    x = 5,555,462,886,797,068,288/2,639,432,178.45
  6. Step 6: Final answer
    x = 2,104,794,710.07

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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.