Home / 558,077,317.96-770,140,587.04-307,176,345.49

Finding the Fourth Proportional to 558,077,317.96, 770,140,587.04 and 307,176,345.49

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Solution

The fourth proportional to 558,077,317.96, 770,140,587.04 and 307,176,345.49 is: 423,899,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,317.96 : 770,140,587.04 = 307,176,345.49 : x
  2. Step 2: Convert to fraction form
    558,077,317.96/770,140,587.04 = 307,176,345.49/x
  3. Step 3: Cross multiply
    558,077,317.96x = 770,140,587.04 × 307,176,345.49
  4. Step 4: Simplify right side
    558,077,317.96x = 236,568,971,039,217,312
  5. Step 5: Solve for x
    x = 236,568,971,039,217,312/558,077,317.96
  6. Step 6: Final answer
    x = 423,899,992.76

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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.