Home / 12,239,178,051.60-18,358,767,077.40-3,958,902,118.80

Finding the Fourth Proportional to 12,239,178,051.60, 18,358,767,077.40 and 3,958,902,118.80

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Solution

The fourth proportional to 12,239,178,051.60, 18,358,767,077.40 and 3,958,902,118.80 is: 5,938,353,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,178,051.60 : 18,358,767,077.40 = 3,958,902,118.80 : x
  2. Step 2: Convert to fraction form
    12,239,178,051.60/18,358,767,077.40 = 3,958,902,118.80/x
  3. Step 3: Cross multiply
    12,239,178,051.60x = 18,358,767,077.40 × 3,958,902,118.80
  4. Step 4: Simplify right side
    12,239,178,051.60x = 72,680,561,881,274,556,416
  5. Step 5: Solve for x
    x = 72,680,561,881,274,556,416/12,239,178,051.60
  6. Step 6: Final answer
    x = 5,938,353,178.20

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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.