Home / 1,065,354,845.87-1,470,130,383.95-589,017,675.87

Finding the Fourth Proportional to 1,065,354,845.87, 1,470,130,383.95 and 589,017,675.87

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Solution

The fourth proportional to 1,065,354,845.87, 1,470,130,383.95 and 589,017,675.87 is: 812,811,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,354,845.87 : 1,470,130,383.95 = 589,017,675.87 : x
  2. Step 2: Convert to fraction form
    1,065,354,845.87/1,470,130,383.95 = 589,017,675.87/x
  3. Step 3: Cross multiply
    1,065,354,845.87x = 1,470,130,383.95 × 589,017,675.87
  4. Step 4: Simplify right side
    1,065,354,845.87x = 865,932,781,980,099,840
  5. Step 5: Solve for x
    x = 865,932,781,980,099,840/1,065,354,845.87
  6. Step 6: Final answer
    x = 812,811,604.83

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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.