Home / 1,758,740,009.51-2,638,194,860.55-578,294,354.52

Finding the Fourth Proportional to 1,758,740,009.51, 2,638,194,860.55 and 578,294,354.52

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Solution

The fourth proportional to 1,758,740,009.51, 2,638,194,860.55 and 578,294,354.52 is: 867,469,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,740,009.51 : 2,638,194,860.55 = 578,294,354.52 : x
  2. Step 2: Convert to fraction form
    1,758,740,009.51/2,638,194,860.55 = 578,294,354.52/x
  3. Step 3: Cross multiply
    1,758,740,009.51x = 2,638,194,860.55 × 578,294,354.52
  4. Step 4: Simplify right side
    1,758,740,009.51x = 1,525,653,193,979,743,744
  5. Step 5: Solve for x
    x = 1,525,653,193,979,743,744/1,758,740,009.51
  6. Step 6: Final answer
    x = 867,469,430.24

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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.