Home / 1,065,984,063.60-1,598,976,095.40-823,820,761.20

Finding the Fourth Proportional to 1,065,984,063.60, 1,598,976,095.40 and 823,820,761.20

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Solution

The fourth proportional to 1,065,984,063.60, 1,598,976,095.40 and 823,820,761.20 is: 1,235,731,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,984,063.60 : 1,598,976,095.40 = 823,820,761.20 : x
  2. Step 2: Convert to fraction form
    1,065,984,063.60/1,598,976,095.40 = 823,820,761.20/x
  3. Step 3: Cross multiply
    1,065,984,063.60x = 1,598,976,095.40 × 823,820,761.20
  4. Step 4: Simplify right side
    1,065,984,063.60x = 1,317,269,704,053,031,936
  5. Step 5: Solve for x
    x = 1,317,269,704,053,031,936/1,065,984,063.60
  6. Step 6: Final answer
    x = 1,235,731,141.80

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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.