Home / 545,021,720.44-817,230,111.54-181,317,533.56

Finding the Fourth Proportional to 545,021,720.44, 817,230,111.54 and 181,317,533.56

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Solution

The fourth proportional to 545,021,720.44, 817,230,111.54 and 181,317,533.56 is: 271,875,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,021,720.44 : 817,230,111.54 = 181,317,533.56 : x
  2. Step 2: Convert to fraction form
    545,021,720.44/817,230,111.54 = 181,317,533.56/x
  3. Step 3: Cross multiply
    545,021,720.44x = 817,230,111.54 × 181,317,533.56
  4. Step 4: Simplify right side
    545,021,720.44x = 148,178,148,175,396,480
  5. Step 5: Solve for x
    x = 148,178,148,175,396,480/545,021,720.44
  6. Step 6: Final answer
    x = 271,875,675.08

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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.