Home / 559,872,231.04-772,622,538.24-312,338,823.04

Finding the Fourth Proportional to 559,872,231.04, 772,622,538.24 and 312,338,823.04

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Solution

The fourth proportional to 559,872,231.04, 772,622,538.24 and 312,338,823.04 is: 431,026,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,231.04 : 772,622,538.24 = 312,338,823.04 : x
  2. Step 2: Convert to fraction form
    559,872,231.04/772,622,538.24 = 312,338,823.04/x
  3. Step 3: Cross multiply
    559,872,231.04x = 772,622,538.24 × 312,338,823.04
  4. Step 4: Simplify right side
    559,872,231.04x = 241,320,014,248,059,008
  5. Step 5: Solve for x
    x = 241,320,014,248,059,008/559,872,231.04
  6. Step 6: Final answer
    x = 431,026,939.49

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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.