Home / 380,174,068.56-524,877,166.44-261,301,345.68

Finding the Fourth Proportional to 380,174,068.56, 524,877,166.44 and 261,301,345.68

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Solution

The fourth proportional to 380,174,068.56, 524,877,166.44 and 261,301,345.68 is: 360,758,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,174,068.56 : 524,877,166.44 = 261,301,345.68 : x
  2. Step 2: Convert to fraction form
    380,174,068.56/524,877,166.44 = 261,301,345.68/x
  3. Step 3: Cross multiply
    380,174,068.56x = 524,877,166.44 × 261,301,345.68
  4. Step 4: Simplify right side
    380,174,068.56x = 137,151,109,907,477,344
  5. Step 5: Solve for x
    x = 137,151,109,907,477,344/380,174,068.56
  6. Step 6: Final answer
    x = 360,758,718.83

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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.