Home / 473,003,053.80-648,003,358.80-455,318,505.24

Finding the Fourth Proportional to 473,003,053.80, 648,003,358.80 and 455,318,505.24

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Solution

The fourth proportional to 473,003,053.80, 648,003,358.80 and 455,318,505.24 is: 623,775,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003,053.80 : 648,003,358.80 = 455,318,505.24 : x
  2. Step 2: Convert to fraction form
    473,003,053.80/648,003,358.80 = 455,318,505.24/x
  3. Step 3: Cross multiply
    473,003,053.80x = 648,003,358.80 × 455,318,505.24
  4. Step 4: Simplify right side
    473,003,053.80x = 295,047,920,719,315,392
  5. Step 5: Solve for x
    x = 295,047,920,719,315,392/473,003,053.80
  6. Step 6: Final answer
    x = 623,775,931.99

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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.