Home / 1,116,801,271.74-1,541,136,040.99-640,149,928.41

Finding the Fourth Proportional to 1,116,801,271.74, 1,541,136,040.99 and 640,149,928.41

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Solution

The fourth proportional to 1,116,801,271.74, 1,541,136,040.99 and 640,149,928.41 is: 883,378,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,801,271.74 : 1,541,136,040.99 = 640,149,928.41 : x
  2. Step 2: Convert to fraction form
    1,116,801,271.74/1,541,136,040.99 = 640,149,928.41/x
  3. Step 3: Cross multiply
    1,116,801,271.74x = 1,541,136,040.99 × 640,149,928.41
  4. Step 4: Simplify right side
    1,116,801,271.74x = 986,558,126,309,819,264
  5. Step 5: Solve for x
    x = 986,558,126,309,819,264/1,116,801,271.74
  6. Step 6: Final answer
    x = 883,378,405.16

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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.