Home / 7,830,272,001.80-11,745,408,002.70-5,503,835,880.20

Finding the Fourth Proportional to 7,830,272,001.80, 11,745,408,002.70 and 5,503,835,880.20

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Solution

The fourth proportional to 7,830,272,001.80, 11,745,408,002.70 and 5,503,835,880.20 is: 8,255,753,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,272,001.80 : 11,745,408,002.70 = 5,503,835,880.20 : x
  2. Step 2: Convert to fraction form
    7,830,272,001.80/11,745,408,002.70 = 5,503,835,880.20/x
  3. Step 3: Cross multiply
    7,830,272,001.80x = 11,745,408,002.70 × 5,503,835,880.20
  4. Step 4: Simplify right side
    7,830,272,001.80x = 64,644,797,992,848,482,304
  5. Step 5: Solve for x
    x = 64,644,797,992,848,482,304/7,830,272,001.80
  6. Step 6: Final answer
    x = 8,255,753,820.30

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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.