Home / 1,065,354,845.88-1,470,130,383.96-589,017,675.86

Finding the Fourth Proportional to 1,065,354,845.88, 1,470,130,383.96 and 589,017,675.86

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Solution

The fourth proportional to 1,065,354,845.88, 1,470,130,383.96 and 589,017,675.86 is: 812,811,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,354,845.88 : 1,470,130,383.96 = 589,017,675.86 : x
  2. Step 2: Convert to fraction form
    1,065,354,845.88/1,470,130,383.96 = 589,017,675.86/x
  3. Step 3: Cross multiply
    1,065,354,845.88x = 1,470,130,383.96 × 589,017,675.86
  4. Step 4: Simplify right side
    1,065,354,845.88x = 865,932,781,971,288,704
  5. Step 5: Solve for x
    x = 865,932,781,971,288,704/1,065,354,845.88
  6. Step 6: Final answer
    x = 812,811,604.81

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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.