Home / 651,122,025.20-976,683,037.80-166,422,172.40

Finding the Fourth Proportional to 651,122,025.20, 976,683,037.80 and 166,422,172.40

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Solution

The fourth proportional to 651,122,025.20, 976,683,037.80 and 166,422,172.40 is: 249,633,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,122,025.20 : 976,683,037.80 = 166,422,172.40 : x
  2. Step 2: Convert to fraction form
    651,122,025.20/976,683,037.80 = 166,422,172.40/x
  3. Step 3: Cross multiply
    651,122,025.20x = 976,683,037.80 × 166,422,172.40
  4. Step 4: Simplify right side
    651,122,025.20x = 162,541,712,896,907,328
  5. Step 5: Solve for x
    x = 162,541,712,896,907,328/651,122,025.20
  6. Step 6: Final answer
    x = 249,633,258.60

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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.