Home / 473,003,054.30-648,003,359.49-455,318,505.74

Finding the Fourth Proportional to 473,003,054.30, 648,003,359.49 and 455,318,505.74

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Solution

The fourth proportional to 473,003,054.30, 648,003,359.49 and 455,318,505.74 is: 623,775,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003,054.30 : 648,003,359.49 = 455,318,505.74 : x
  2. Step 2: Convert to fraction form
    473,003,054.30/648,003,359.49 = 455,318,505.74/x
  3. Step 3: Cross multiply
    473,003,054.30x = 648,003,359.49 × 455,318,505.74
  4. Step 4: Simplify right side
    473,003,054.30x = 295,047,921,355,210,240
  5. Step 5: Solve for x
    x = 295,047,921,355,210,240/473,003,054.30
  6. Step 6: Final answer
    x = 623,775,932.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.