Home / 28,077,888,692.96-42,116,407,890.48-6,830,537,391.20

Finding the Fourth Proportional to 28,077,888,692.96, 42,116,407,890.48 and 6,830,537,391.20

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Solution

The fourth proportional to 28,077,888,692.96, 42,116,407,890.48 and 6,830,537,391.20 is: 10,245,702,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,888,692.96 : 42,116,407,890.48 = 6,830,537,391.20 : x
  2. Step 2: Convert to fraction form
    28,077,888,692.96/42,116,407,890.48 = 6,830,537,391.20/x
  3. Step 3: Cross multiply
    28,077,888,692.96x = 42,116,407,890.48 × 6,830,537,391.20
  4. Step 4: Simplify right side
    28,077,888,692.96x = 287,677,698,878,954,373,120
  5. Step 5: Solve for x
    x = 287,677,698,878,954,373,120/28,077,888,692.96
  6. Step 6: Final answer
    x = 10,245,702,660.37

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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.