Home / 12,127,711,586.40-18,191,567,379.60-2,936,852,834.40

Finding the Fourth Proportional to 12,127,711,586.40, 18,191,567,379.60 and 2,936,852,834.40

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Solution

The fourth proportional to 12,127,711,586.40, 18,191,567,379.60 and 2,936,852,834.40 is: 4,405,279,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,711,586.40 : 18,191,567,379.60 = 2,936,852,834.40 : x
  2. Step 2: Convert to fraction form
    12,127,711,586.40/18,191,567,379.60 = 2,936,852,834.40/x
  3. Step 3: Cross multiply
    12,127,711,586.40x = 18,191,567,379.60 × 2,936,852,834.40
  4. Step 4: Simplify right side
    12,127,711,586.40x = 53,425,956,220,956,835,840
  5. Step 5: Solve for x
    x = 53,425,956,220,956,835,840/12,127,711,586.40
  6. Step 6: Final answer
    x = 4,405,279,251.60

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Double scale
Find fourth proportional to 12,127,711,587.40, 18,191,567,381.10 and 2,936,852,835.40
Similar ratio
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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.