Home / 405,769,070.52-559,957,040.01-227,154,427.74

Finding the Fourth Proportional to 405,769,070.52, 559,957,040.01 and 227,154,427.74

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Solution

The fourth proportional to 405,769,070.52, 559,957,040.01 and 227,154,427.74 is: 313,470,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,769,070.52 : 559,957,040.01 = 227,154,427.74 : x
  2. Step 2: Convert to fraction form
    405,769,070.52/559,957,040.01 = 227,154,427.74/x
  3. Step 3: Cross multiply
    405,769,070.52x = 559,957,040.01 × 227,154,427.74
  4. Step 4: Simplify right side
    405,769,070.52x = 127,196,720,982,455,840
  5. Step 5: Solve for x
    x = 127,196,720,982,455,840/405,769,070.52
  6. Step 6: Final answer
    x = 313,470,715.79

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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.