Home / 6,518,559,856.60-9,780,390,701.70-2,378,421,890.20

Finding the Fourth Proportional to 6,518,559,856.60, 9,780,390,701.70 and 2,378,421,890.20

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Solution

The fourth proportional to 6,518,559,856.60, 9,780,390,701.70 and 2,378,421,890.20 is: 3,568,563,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,559,856.60 : 9,780,390,701.70 = 2,378,421,890.20 : x
  2. Step 2: Convert to fraction form
    6,518,559,856.60/9,780,390,701.70 = 2,378,421,890.20/x
  3. Step 3: Cross multiply
    6,518,559,856.60x = 9,780,390,701.70 × 2,378,421,890.20
  4. Step 4: Simplify right side
    6,518,559,856.60x = 23,261,895,339,631,816,704
  5. Step 5: Solve for x
    x = 23,261,895,339,631,816,704/6,518,559,856.60
  6. Step 6: Final answer
    x = 3,568,563,586.34

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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.