Home / 654,332,810.40-980,665,628.40-347,771,786.40

Finding the Fourth Proportional to 654,332,810.40, 980,665,628.40 and 347,771,786.40

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Solution

The fourth proportional to 654,332,810.40, 980,665,628.40 and 347,771,786.40 is: 521,214,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,332,810.40 : 980,665,628.40 = 347,771,786.40 : x
  2. Step 2: Convert to fraction form
    654,332,810.40/980,665,628.40 = 347,771,786.40/x
  3. Step 3: Cross multiply
    654,332,810.40x = 980,665,628.40 × 347,771,786.40
  4. Step 4: Simplify right side
    654,332,810.40x = 341,047,837,449,746,560
  5. Step 5: Solve for x
    x = 341,047,837,449,746,560/654,332,810.40
  6. Step 6: Final answer
    x = 521,214,635.78

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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.