Home / 997,271,998.80-1,495,907,998.20-987,068,331.60

Finding the Fourth Proportional to 997,271,998.80, 1,495,907,998.20 and 987,068,331.60

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Solution

The fourth proportional to 997,271,998.80, 1,495,907,998.20 and 987,068,331.60 is: 1,480,602,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,271,998.80 : 1,495,907,998.20 = 987,068,331.60 : x
  2. Step 2: Convert to fraction form
    997,271,998.80/1,495,907,998.20 = 987,068,331.60/x
  3. Step 3: Cross multiply
    997,271,998.80x = 1,495,907,998.20 × 987,068,331.60
  4. Step 4: Simplify right side
    997,271,998.80x = 1,476,563,412,010,369,792
  5. Step 5: Solve for x
    x = 1,476,563,412,010,369,792/997,271,998.80
  6. Step 6: Final answer
    x = 1,480,602,497.40

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1.5x scale

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.