Home / 1,065,694,361.28-1,598,523,411.63-318,711,841.26

Finding the Fourth Proportional to 1,065,694,361.28, 1,598,523,411.63 and 318,711,841.26

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Solution

The fourth proportional to 1,065,694,361.28, 1,598,523,411.63 and 318,711,841.26 is: 478,062,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,694,361.28 : 1,598,523,411.63 = 318,711,841.26 : x
  2. Step 2: Convert to fraction form
    1,065,694,361.28/1,598,523,411.63 = 318,711,841.26/x
  3. Step 3: Cross multiply
    1,065,694,361.28x = 1,598,523,411.63 × 318,711,841.26
  4. Step 4: Simplify right side
    1,065,694,361.28x = 509,468,339,817,814,208
  5. Step 5: Solve for x
    x = 509,468,339,817,814,208/1,065,694,361.28
  6. Step 6: Final answer
    x = 478,062,339.76

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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.