Home / 25,814,338,220.80-38,721,507,331.20-15,328,156,985.20

Finding the Fourth Proportional to 25,814,338,220.80, 38,721,507,331.20 and 15,328,156,985.20

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Solution

The fourth proportional to 25,814,338,220.80, 38,721,507,331.20 and 15,328,156,985.20 is: 22,992,235,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814,338,220.80 : 38,721,507,331.20 = 15,328,156,985.20 : x
  2. Step 2: Convert to fraction form
    25,814,338,220.80/38,721,507,331.20 = 15,328,156,985.20/x
  3. Step 3: Cross multiply
    25,814,338,220.80x = 38,721,507,331.20 × 15,328,156,985.20
  4. Step 4: Simplify right side
    25,814,338,220.80x = 593,529,343,076,206,247,936
  5. Step 5: Solve for x
    x = 593,529,343,076,206,247,936/25,814,338,220.80
  6. Step 6: Final answer
    x = 22,992,235,477.80

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Double scale
Find fourth proportional to 25,814,338,221.80, 38,721,507,332.70 and 15,328,156,986.20
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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.