Home / 282,060,458.40-423,090,687.60-185,314,576.80

Finding the Fourth Proportional to 282,060,458.40, 423,090,687.60 and 185,314,576.80

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Solution

The fourth proportional to 282,060,458.40, 423,090,687.60 and 185,314,576.80 is: 277,971,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,060,458.40 : 423,090,687.60 = 185,314,576.80 : x
  2. Step 2: Convert to fraction form
    282,060,458.40/423,090,687.60 = 185,314,576.80/x
  3. Step 3: Cross multiply
    282,060,458.40x = 423,090,687.60 × 185,314,576.80
  4. Step 4: Simplify right side
    282,060,458.40x = 78,404,871,720,615,024
  5. Step 5: Solve for x
    x = 78,404,871,720,615,024/282,060,458.40
  6. Step 6: Final answer
    x = 277,971,865.20

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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.