Home / 1,620,450,858.19-2,236,224,453.43-877,894,920.94

Finding the Fourth Proportional to 1,620,450,858.19, 2,236,224,453.43 and 877,894,920.94

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Solution

The fourth proportional to 1,620,450,858.19, 2,236,224,453.43 and 877,894,920.94 is: 1,211,496,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,450,858.19 : 2,236,224,453.43 = 877,894,920.94 : x
  2. Step 2: Convert to fraction form
    1,620,450,858.19/2,236,224,453.43 = 877,894,920.94/x
  3. Step 3: Cross multiply
    1,620,450,858.19x = 2,236,224,453.43 × 877,894,920.94
  4. Step 4: Simplify right side
    1,620,450,858.19x = 1,963,170,089,748,024,576
  5. Step 5: Solve for x
    x = 1,963,170,089,748,024,576/1,620,450,858.19
  6. Step 6: Final answer
    x = 1,211,496,220.22

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Double scale
Find fourth proportional to 1,620,450,859.19, 2,236,224,454.81 and 877,894,921.94
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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.