Home / 684,128,886.40-1,026,183,706.80-166,560,464.80

Finding the Fourth Proportional to 684,128,886.40, 1,026,183,706.80 and 166,560,464.80

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Solution

The fourth proportional to 684,128,886.40, 1,026,183,706.80 and 166,560,464.80 is: 249,838,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,128,886.40 : 1,026,183,706.80 = 166,560,464.80 : x
  2. Step 2: Convert to fraction form
    684,128,886.40/1,026,183,706.80 = 166,560,464.80/x
  3. Step 3: Cross multiply
    684,128,886.40x = 1,026,183,706.80 × 166,560,464.80
  4. Step 4: Simplify right side
    684,128,886.40x = 170,921,635,174,794,912
  5. Step 5: Solve for x
    x = 170,921,635,174,794,912/684,128,886.40
  6. Step 6: Final answer
    x = 249,838,354.40

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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.