Home / 409,898,666.10-614,847,999.15-370,359,455.70

Finding the Fourth Proportional to 409,898,666.10, 614,847,999.15 and 370,359,455.70

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Solution

The fourth proportional to 409,898,666.10, 614,847,999.15 and 370,359,455.70 is: 555,539,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,898,666.10 : 614,847,999.15 = 370,359,455.70 : x
  2. Step 2: Convert to fraction form
    409,898,666.10/614,847,999.15 = 370,359,455.70/x
  3. Step 3: Cross multiply
    409,898,666.10x = 614,847,999.15 × 370,359,455.70
  4. Step 4: Simplify right side
    409,898,666.10x = 227,714,770,303,428,032
  5. Step 5: Solve for x
    x = 227,714,770,303,428,032/409,898,666.10
  6. Step 6: Final answer
    x = 555,539,183.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.