Home / 1,083,357,011.12-1,624,523,250.80-419,681,878.16

Finding the Fourth Proportional to 1,083,357,011.12, 1,624,523,250.80 and 419,681,878.16

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Solution

The fourth proportional to 1,083,357,011.12, 1,624,523,250.80 and 419,681,878.16 is: 629,324,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,357,011.12 : 1,624,523,250.80 = 419,681,878.16 : x
  2. Step 2: Convert to fraction form
    1,083,357,011.12/1,624,523,250.80 = 419,681,878.16/x
  3. Step 3: Cross multiply
    1,083,357,011.12x = 1,624,523,250.80 × 419,681,878.16
  4. Step 4: Simplify right side
    1,083,357,011.12x = 681,782,969,003,259,264
  5. Step 5: Solve for x
    x = 681,782,969,003,259,264/1,083,357,011.12
  6. Step 6: Final answer
    x = 629,324,370.46

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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.