Home / 4,638,678,841.38-6,960,158,171.30-2,118,379,688.31

Finding the Fourth Proportional to 4,638,678,841.38, 6,960,158,171.30 and 2,118,379,688.31

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Solution

The fourth proportional to 4,638,678,841.38, 6,960,158,171.30 and 2,118,379,688.31 is: 3,178,546,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,678,841.38 : 6,960,158,171.30 = 2,118,379,688.31 : x
  2. Step 2: Convert to fraction form
    4,638,678,841.38/6,960,158,171.30 = 2,118,379,688.31/x
  3. Step 3: Cross multiply
    4,638,678,841.38x = 6,960,158,171.30 × 2,118,379,688.31
  4. Step 4: Simplify right side
    4,638,678,841.38x = 14,744,257,697,506,793,472
  5. Step 5: Solve for x
    x = 14,744,257,697,506,793,472/4,638,678,841.38
  6. Step 6: Final answer
    x = 3,178,546,780.60

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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.