Home / 28,045,260,158.92-42,070,476,340.91-9,158,646,813.33

Finding the Fourth Proportional to 28,045,260,158.92, 42,070,476,340.91 and 9,158,646,813.33

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Solution

The fourth proportional to 28,045,260,158.92, 42,070,476,340.91 and 9,158,646,813.33 is: 13,738,814,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,260,158.92 : 42,070,476,340.91 = 9,158,646,813.33 : x
  2. Step 2: Convert to fraction form
    28,045,260,158.92/42,070,476,340.91 = 9,158,646,813.33/x
  3. Step 3: Cross multiply
    28,045,260,158.92x = 42,070,476,340.91 × 9,158,646,813.33
  4. Step 4: Simplify right side
    28,045,260,158.92x = 385,308,634,074,694,418,432
  5. Step 5: Solve for x
    x = 385,308,634,074,694,418,432/28,045,260,158.92
  6. Step 6: Final answer
    x = 13,738,814,754.84

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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.