Home / 1,783,964,672.70-2,675,947,009.05-619,311,721.20

Finding the Fourth Proportional to 1,783,964,672.70, 2,675,947,009.05 and 619,311,721.20

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Solution

The fourth proportional to 1,783,964,672.70, 2,675,947,009.05 and 619,311,721.20 is: 928,967,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,964,672.70 : 2,675,947,009.05 = 619,311,721.20 : x
  2. Step 2: Convert to fraction form
    1,783,964,672.70/2,675,947,009.05 = 619,311,721.20/x
  3. Step 3: Cross multiply
    1,783,964,672.70x = 2,675,947,009.05 × 619,311,721.20
  4. Step 4: Simplify right side
    1,783,964,672.70x = 1,657,245,348,014,747,648
  5. Step 5: Solve for x
    x = 1,657,245,348,014,747,648/1,783,964,672.70
  6. Step 6: Final answer
    x = 928,967,581.80

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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.