Home / 1,986,591,120,239.40-2,979,886,676,991-477,358,284,669

Finding the Fourth Proportional to 1,986,591,120,239.40, 2,979,886,676,991 and 477,358,284,669

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Solution

The fourth proportional to 1,986,591,120,239.40, 2,979,886,676,991 and 477,358,284,669 is: 716,037,426,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,591,120,239.40 : 2,979,886,676,991 = 477,358,284,669 : x
  2. Step 2: Convert to fraction form
    1,986,591,120,239.40/2,979,886,676,991 = 477,358,284,669/x
  3. Step 3: Cross multiply
    1,986,591,120,239.40x = 2,979,886,676,991 × 477,358,284,669
  4. Step 4: Simplify right side
    1,986,591,120,239.40x = 1,422,473,592,636,430,140,571,648
  5. Step 5: Solve for x
    x = 1,422,473,592,636,430,140,571,648/1,986,591,120,239.40
  6. Step 6: Final answer
    x = 716,037,426,194.18

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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.