Home / 1,380,881,976.84-2,071,340,915.06-460,758,315.47

Finding the Fourth Proportional to 1,380,881,976.84, 2,071,340,915.06 and 460,758,315.47

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Solution

The fourth proportional to 1,380,881,976.84, 2,071,340,915.06 and 460,758,315.47 is: 691,143,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,881,976.84 : 2,071,340,915.06 = 460,758,315.47 : x
  2. Step 2: Convert to fraction form
    1,380,881,976.84/2,071,340,915.06 = 460,758,315.47/x
  3. Step 3: Cross multiply
    1,380,881,976.84x = 2,071,340,915.06 × 460,758,315.47
  4. Step 4: Simplify right side
    1,380,881,976.84x = 954,387,550,777,975,168
  5. Step 5: Solve for x
    x = 954,387,550,777,975,168/1,380,881,976.84
  6. Step 6: Final answer
    x = 691,143,462.50

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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.