Home / 670,195,999.40-1,003,428,050.70-341,962,291.40

Finding the Fourth Proportional to 670,195,999.40, 1,003,428,050.70 and 341,962,291.40

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Solution

The fourth proportional to 670,195,999.40, 1,003,428,050.70 and 341,962,291.40 is: 511,991,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,195,999.40 : 1,003,428,050.70 = 341,962,291.40 : x
  2. Step 2: Convert to fraction form
    670,195,999.40/1,003,428,050.70 = 341,962,291.40/x
  3. Step 3: Cross multiply
    670,195,999.40x = 1,003,428,050.70 × 341,962,291.40
  4. Step 4: Simplify right side
    670,195,999.40x = 343,134,555,472,407,360
  5. Step 5: Solve for x
    x = 343,134,555,472,407,360/670,195,999.40
  6. Step 6: Final answer
    x = 511,991,351.45

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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.