Home / 652,477,739.21-900,439,054.76-355,141,481.96

Finding the Fourth Proportional to 652,477,739.21, 900,439,054.76 and 355,141,481.96

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Solution

The fourth proportional to 652,477,739.21, 900,439,054.76 and 355,141,481.96 is: 490,106,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,477,739.21 : 900,439,054.76 = 355,141,481.96 : x
  2. Step 2: Convert to fraction form
    652,477,739.21/900,439,054.76 = 355,141,481.96/x
  3. Step 3: Cross multiply
    652,477,739.21x = 900,439,054.76 × 355,141,481.96
  4. Step 4: Simplify right side
    652,477,739.21x = 319,783,260,325,266,944
  5. Step 5: Solve for x
    x = 319,783,260,325,266,944/652,477,739.21
  6. Step 6: Final answer
    x = 490,106,008.39

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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.