Home / 13,488,892,477.92-18,613,934,156.66-7,384,064,050.94

Finding the Fourth Proportional to 13,488,892,477.92, 18,613,934,156.66 and 7,384,064,050.94

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Solution

The fourth proportional to 13,488,892,477.92, 18,613,934,156.66 and 7,384,064,050.94 is: 10,189,604,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,892,477.92 : 18,613,934,156.66 = 7,384,064,050.94 : x
  2. Step 2: Convert to fraction form
    13,488,892,477.92/18,613,934,156.66 = 7,384,064,050.94/x
  3. Step 3: Cross multiply
    13,488,892,477.92x = 18,613,934,156.66 × 7,384,064,050.94
  4. Step 4: Simplify right side
    13,488,892,477.92x = 137,446,482,052,627,283,968
  5. Step 5: Solve for x
    x = 137,446,482,052,627,283,968/13,488,892,477.92
  6. Step 6: Final answer
    x = 10,189,604,689.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.