Home / 1,321,880,157,441.70-1,983,725,960,579.50-461,354,326,687.74

Finding the Fourth Proportional to 1,321,880,157,441.70, 1,983,725,960,579.50 and 461,354,326,687.74

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Solution

The fourth proportional to 1,321,880,157,441.70, 1,983,725,960,579.50 and 461,354,326,687.74 is: 692,347,600,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,880,157,441.70 : 1,983,725,960,579.50 = 461,354,326,687.74 : x
  2. Step 2: Convert to fraction form
    1,321,880,157,441.70/1,983,725,960,579.50 = 461,354,326,687.74/x
  3. Step 3: Cross multiply
    1,321,880,157,441.70x = 1,983,725,960,579.50 × 461,354,326,687.74
  4. Step 4: Simplify right side
    1,321,880,157,441.70x = 915,200,554,876,145,519,034,368
  5. Step 5: Solve for x
    x = 915,200,554,876,145,519,034,368/1,321,880,157,441.70
  6. Step 6: Final answer
    x = 692,347,600,290.32

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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.