Home / 1,175,936,322.35-1,622,831,950.98-640,107,533.32

Finding the Fourth Proportional to 1,175,936,322.35, 1,622,831,950.98 and 640,107,533.32

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Solution

The fourth proportional to 1,175,936,322.35, 1,622,831,950.98 and 640,107,533.32 is: 883,370,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,936,322.35 : 1,622,831,950.98 = 640,107,533.32 : x
  2. Step 2: Convert to fraction form
    1,175,936,322.35/1,622,831,950.98 = 640,107,533.32/x
  3. Step 3: Cross multiply
    1,175,936,322.35x = 1,622,831,950.98 × 640,107,533.32
  4. Step 4: Simplify right side
    1,175,936,322.35x = 1,038,786,957,130,633,856
  5. Step 5: Solve for x
    x = 1,038,786,957,130,633,856/1,175,936,322.35
  6. Step 6: Final answer
    x = 883,370,074.88

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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.