Home / 7,064,579,457.52-9,749,327,609.68-3,892,967,678.16

Finding the Fourth Proportional to 7,064,579,457.52, 9,749,327,609.68 and 3,892,967,678.16

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Solution

The fourth proportional to 7,064,579,457.52, 9,749,327,609.68 and 3,892,967,678.16 is: 5,372,409,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064,579,457.52 : 9,749,327,609.68 = 3,892,967,678.16 : x
  2. Step 2: Convert to fraction form
    7,064,579,457.52/9,749,327,609.68 = 3,892,967,678.16/x
  3. Step 3: Cross multiply
    7,064,579,457.52x = 9,749,327,609.68 × 3,892,967,678.16
  4. Step 4: Simplify right side
    7,064,579,457.52x = 37,953,817,268,277,133,312
  5. Step 5: Solve for x
    x = 37,953,817,268,277,133,312/7,064,579,457.52
  6. Step 6: Final answer
    x = 5,372,409,992.20

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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.