Home / 545,139,220.40-817,708,830.60-327,460,986.80

Finding the Fourth Proportional to 545,139,220.40, 817,708,830.60 and 327,460,986.80

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Solution

The fourth proportional to 545,139,220.40, 817,708,830.60 and 327,460,986.80 is: 491,191,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,139,220.40 : 817,708,830.60 = 327,460,986.80 : x
  2. Step 2: Convert to fraction form
    545,139,220.40/817,708,830.60 = 327,460,986.80/x
  3. Step 3: Cross multiply
    545,139,220.40x = 817,708,830.60 × 327,460,986.80
  4. Step 4: Simplify right side
    545,139,220.40x = 267,767,740,583,350,048
  5. Step 5: Solve for x
    x = 267,767,740,583,350,048/545,139,220.40
  6. Step 6: Final answer
    x = 491,191,480.20

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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.