Home / 547,529,602,973.52-755,490,945,004.92-315,958,641,861.72

Finding the Fourth Proportional to 547,529,602,973.52, 755,490,945,004.92 and 315,958,641,861.72

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Solution

The fourth proportional to 547,529,602,973.52, 755,490,945,004.92 and 315,958,641,861.72 is: 435,965,273,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,529,602,973.52 : 755,490,945,004.92 = 315,958,641,861.72 : x
  2. Step 2: Convert to fraction form
    547,529,602,973.52/755,490,945,004.92 = 315,958,641,861.72/x
  3. Step 3: Cross multiply
    547,529,602,973.52x = 755,490,945,004.92 × 315,958,641,861.72
  4. Step 4: Simplify right side
    547,529,602,973.52x = 238,703,892,922,581,926,281,216
  5. Step 5: Solve for x
    x = 238,703,892,922,581,926,281,216/547,529,602,973.52
  6. Step 6: Final answer
    x = 435,965,273,158.26

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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.