Home / 422,946,729.90-583,676,551.35-237,321,474.48

Finding the Fourth Proportional to 422,946,729.90, 583,676,551.35 and 237,321,474.48

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Solution

The fourth proportional to 422,946,729.90, 583,676,551.35 and 237,321,474.48 is: 327,509,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,946,729.90 : 583,676,551.35 = 237,321,474.48 : x
  2. Step 2: Convert to fraction form
    422,946,729.90/583,676,551.35 = 237,321,474.48/x
  3. Step 3: Cross multiply
    422,946,729.90x = 583,676,551.35 × 237,321,474.48
  4. Step 4: Simplify right side
    422,946,729.90x = 138,518,979,785,783,440
  5. Step 5: Solve for x
    x = 138,518,979,785,783,440/422,946,729.90
  6. Step 6: Final answer
    x = 327,509,281.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.