Home / 20,851,884,200.40-31,277,826,300.60-19,137,668,110.80

Finding the Fourth Proportional to 20,851,884,200.40, 31,277,826,300.60 and 19,137,668,110.80

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Solution

The fourth proportional to 20,851,884,200.40, 31,277,826,300.60 and 19,137,668,110.80 is: 28,706,502,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,884,200.40 : 31,277,826,300.60 = 19,137,668,110.80 : x
  2. Step 2: Convert to fraction form
    20,851,884,200.40/31,277,826,300.60 = 19,137,668,110.80/x
  3. Step 3: Cross multiply
    20,851,884,200.40x = 31,277,826,300.60 × 19,137,668,110.80
  4. Step 4: Simplify right side
    20,851,884,200.40x = 598,584,658,968,134,156,288
  5. Step 5: Solve for x
    x = 598,584,658,968,134,156,288/20,851,884,200.40
  6. Step 6: Final answer
    x = 28,706,502,166.20

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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.