Home / 2,391,845,160.70-3,301,044,429.99-1,388,047,196.44

Finding the Fourth Proportional to 2,391,845,160.70, 3,301,044,429.99 and 1,388,047,196.44

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Solution

The fourth proportional to 2,391,845,160.70, 3,301,044,429.99 and 1,388,047,196.44 is: 1,915,678,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,845,160.70 : 3,301,044,429.99 = 1,388,047,196.44 : x
  2. Step 2: Convert to fraction form
    2,391,845,160.70/3,301,044,429.99 = 1,388,047,196.44/x
  3. Step 3: Cross multiply
    2,391,845,160.70x = 3,301,044,429.99 × 1,388,047,196.44
  4. Step 4: Simplify right side
    2,391,845,160.70x = 4,582,005,466,373,289,984
  5. Step 5: Solve for x
    x = 4,582,005,466,373,289,984/2,391,845,160.70
  6. Step 6: Final answer
    x = 1,915,678,130.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.