Home / 869,108,809.80-1,303,663,214.70-773,874,582.60

Finding the Fourth Proportional to 869,108,809.80, 1,303,663,214.70 and 773,874,582.60

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Solution

The fourth proportional to 869,108,809.80, 1,303,663,214.70 and 773,874,582.60 is: 1,160,811,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,108,809.80 : 1,303,663,214.70 = 773,874,582.60 : x
  2. Step 2: Convert to fraction form
    869,108,809.80/1,303,663,214.70 = 773,874,582.60/x
  3. Step 3: Cross multiply
    869,108,809.80x = 1,303,663,214.70 × 773,874,582.60
  4. Step 4: Simplify right side
    869,108,809.80x = 1,008,871,826,126,936,704
  5. Step 5: Solve for x
    x = 1,008,871,826,126,936,704/869,108,809.80
  6. Step 6: Final answer
    x = 1,160,811,873.90

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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.