Home / 5,434,331,497.60-8,151,497,246.40-4,780,021,338.40

Finding the Fourth Proportional to 5,434,331,497.60, 8,151,497,246.40 and 4,780,021,338.40

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Solution

The fourth proportional to 5,434,331,497.60, 8,151,497,246.40 and 4,780,021,338.40 is: 7,170,032,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,331,497.60 : 8,151,497,246.40 = 4,780,021,338.40 : x
  2. Step 2: Convert to fraction form
    5,434,331,497.60/8,151,497,246.40 = 4,780,021,338.40/x
  3. Step 3: Cross multiply
    5,434,331,497.60x = 8,151,497,246.40 × 4,780,021,338.40
  4. Step 4: Simplify right side
    5,434,331,497.60x = 38,964,330,777,700,835,328
  5. Step 5: Solve for x
    x = 38,964,330,777,700,835,328/5,434,331,497.60
  6. Step 6: Final answer
    x = 7,170,032,007.60

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Double scale
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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.