Home / 409,068,535.41-613,688,980.25-132,698,170.09

Finding the Fourth Proportional to 409,068,535.41, 613,688,980.25 and 132,698,170.09

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Solution

The fourth proportional to 409,068,535.41, 613,688,980.25 and 132,698,170.09 is: 199,075,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,068,535.41 : 613,688,980.25 = 132,698,170.09 : x
  2. Step 2: Convert to fraction form
    409,068,535.41/613,688,980.25 = 132,698,170.09/x
  3. Step 3: Cross multiply
    409,068,535.41x = 613,688,980.25 × 132,698,170.09
  4. Step 4: Simplify right side
    409,068,535.41x = 81,435,404,682,370,688
  5. Step 5: Solve for x
    x = 81,435,404,682,370,688/409,068,535.41
  6. Step 6: Final answer
    x = 199,075,210.22

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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.