Home / 1,188,162,182.06-1,782,240,823.65-670,357,564.46

Finding the Fourth Proportional to 1,188,162,182.06, 1,782,240,823.65 and 670,357,564.46

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Solution

The fourth proportional to 1,188,162,182.06, 1,782,240,823.65 and 670,357,564.46 is: 1,005,534,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,162,182.06 : 1,782,240,823.65 = 670,357,564.46 : x
  2. Step 2: Convert to fraction form
    1,188,162,182.06/1,782,240,823.65 = 670,357,564.46/x
  3. Step 3: Cross multiply
    1,188,162,182.06x = 1,782,240,823.65 × 670,357,564.46
  4. Step 4: Simplify right side
    1,188,162,182.06x = 1,194,738,617,817,066,752
  5. Step 5: Solve for x
    x = 1,194,738,617,817,066,752/1,188,162,182.06
  6. Step 6: Final answer
    x = 1,005,534,964.72

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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.