Home / 473,003,113.80-648,003,440.85-455,318,565.24

Finding the Fourth Proportional to 473,003,113.80, 648,003,440.85 and 455,318,565.24

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Solution

The fourth proportional to 473,003,113.80, 648,003,440.85 and 455,318,565.24 is: 623,776,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003,113.80 : 648,003,440.85 = 455,318,565.24 : x
  2. Step 2: Convert to fraction form
    473,003,113.80/648,003,440.85 = 455,318,565.24/x
  3. Step 3: Cross multiply
    473,003,113.80x = 648,003,440.85 × 455,318,565.24
  4. Step 4: Simplify right side
    473,003,113.80x = 295,047,996,958,405,248
  5. Step 5: Solve for x
    x = 295,047,996,958,405,248/473,003,113.80
  6. Step 6: Final answer
    x = 623,776,014.05

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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.