Home / 559,055,749.39-771,531,450.98-308,159,575.34

Finding the Fourth Proportional to 559,055,749.39, 771,531,450.98 and 308,159,575.34

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Solution

The fourth proportional to 559,055,749.39, 771,531,450.98 and 308,159,575.34 is: 425,279,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,055,749.39 : 771,531,450.98 = 308,159,575.34 : x
  2. Step 2: Convert to fraction form
    559,055,749.39/771,531,450.98 = 308,159,575.34/x
  3. Step 3: Cross multiply
    559,055,749.39x = 771,531,450.98 × 308,159,575.34
  4. Step 4: Simplify right side
    559,055,749.39x = 237,754,804,295,256,800
  5. Step 5: Solve for x
    x = 237,754,804,295,256,800/559,055,749.39
  6. Step 6: Final answer
    x = 425,279,240.14

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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.