Home / 558,077,311.41-770,140,578.10-307,176,338.94

Finding the Fourth Proportional to 558,077,311.41, 770,140,578.10 and 307,176,338.94

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Solution

The fourth proportional to 558,077,311.41, 770,140,578.10 and 307,176,338.94 is: 423,899,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,311.41 : 770,140,578.10 = 307,176,338.94 : x
  2. Step 2: Convert to fraction form
    558,077,311.41/770,140,578.10 = 307,176,338.94/x
  3. Step 3: Cross multiply
    558,077,311.41x = 770,140,578.10 × 307,176,338.94
  4. Step 4: Simplify right side
    558,077,311.41x = 236,568,963,249,893,152
  5. Step 5: Solve for x
    x = 236,568,963,249,893,152/558,077,311.41
  6. Step 6: Final answer
    x = 423,899,983.77

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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.