Home / 331,458,752.16-457,424,120.40-180,759,630.30

Finding the Fourth Proportional to 331,458,752.16, 457,424,120.40 and 180,759,630.30

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Solution

The fourth proportional to 331,458,752.16, 457,424,120.40 and 180,759,630.30 is: 249,454,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,458,752.16 : 457,424,120.40 = 180,759,630.30 : x
  2. Step 2: Convert to fraction form
    331,458,752.16/457,424,120.40 = 180,759,630.30/x
  3. Step 3: Cross multiply
    331,458,752.16x = 457,424,120.40 × 180,759,630.30
  4. Step 4: Simplify right side
    331,458,752.16x = 82,683,814,893,806,688
  5. Step 5: Solve for x
    x = 82,683,814,893,806,688/331,458,752.16
  6. Step 6: Final answer
    x = 249,454,311.75

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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.