Home / 21,567,870,678.40-32,351,806,017.60-8,482,094,396.80

Finding the Fourth Proportional to 21,567,870,678.40, 32,351,806,017.60 and 8,482,094,396.80

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Solution

The fourth proportional to 21,567,870,678.40, 32,351,806,017.60 and 8,482,094,396.80 is: 12,723,141,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,870,678.40 : 32,351,806,017.60 = 8,482,094,396.80 : x
  2. Step 2: Convert to fraction form
    21,567,870,678.40/32,351,806,017.60 = 8,482,094,396.80/x
  3. Step 3: Cross multiply
    21,567,870,678.40x = 32,351,806,017.60 × 8,482,094,396.80
  4. Step 4: Simplify right side
    21,567,870,678.40x = 274,411,072,548,245,471,232
  5. Step 5: Solve for x
    x = 274,411,072,548,245,471,232/21,567,870,678.40
  6. Step 6: Final answer
    x = 12,723,141,595.20

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Double scale
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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.