Home / 3,078,678,137.60-4,617,550,605.12-837,900,068.56

Finding the Fourth Proportional to 3,078,678,137.60, 4,617,550,605.12 and 837,900,068.56

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Solution

The fourth proportional to 3,078,678,137.60, 4,617,550,605.12 and 837,900,068.56 is: 1,256,723,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,678,137.60 : 4,617,550,605.12 = 837,900,068.56 : x
  2. Step 2: Convert to fraction form
    3,078,678,137.60/4,617,550,605.12 = 837,900,068.56/x
  3. Step 3: Cross multiply
    3,078,678,137.60x = 4,617,550,605.12 × 837,900,068.56
  4. Step 4: Simplify right side
    3,078,678,137.60x = 3,869,045,968,609,317,376
  5. Step 5: Solve for x
    x = 3,869,045,968,609,317,376/3,078,678,137.60
  6. Step 6: Final answer
    x = 1,256,723,111.57

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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.