Home / 1,120,731,218.63-1,680,924,423.32-373,760,113.84

Finding the Fourth Proportional to 1,120,731,218.63, 1,680,924,423.32 and 373,760,113.84

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Solution

The fourth proportional to 1,120,731,218.63, 1,680,924,423.32 and 373,760,113.84 is: 560,582,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,731,218.63 : 1,680,924,423.32 = 373,760,113.84 : x
  2. Step 2: Convert to fraction form
    1,120,731,218.63/1,680,924,423.32 = 373,760,113.84/x
  3. Step 3: Cross multiply
    1,120,731,218.63x = 1,680,924,423.32 × 373,760,113.84
  4. Step 4: Simplify right side
    1,120,731,218.63x = 628,262,503,823,408,512
  5. Step 5: Solve for x
    x = 628,262,503,823,408,512/1,120,731,218.63
  6. Step 6: Final answer
    x = 560,582,674.40

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Double scale
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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.