Home / 291,291,894,203.67-436,933,034,254.84-87,085,558,946.81

Finding the Fourth Proportional to 291,291,894,203.67, 436,933,034,254.84 and 87,085,558,946.81

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Solution

The fourth proportional to 291,291,894,203.67, 436,933,034,254.84 and 87,085,558,946.81 is: 130,626,901,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,291,894,203.67 : 436,933,034,254.84 = 87,085,558,946.81 : x
  2. Step 2: Convert to fraction form
    291,291,894,203.67/436,933,034,254.84 = 87,085,558,946.81/x
  3. Step 3: Cross multiply
    291,291,894,203.67x = 436,933,034,254.84 × 87,085,558,946.81
  4. Step 4: Simplify right side
    291,291,894,203.67x = 38,050,557,510,409,296,805,888
  5. Step 5: Solve for x
    x = 38,050,557,510,409,296,805,888/291,291,894,203.67
  6. Step 6: Final answer
    x = 130,626,901,288.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.