Home / 55,345,903,914.31-76,377,421,056.47-29,971,419,006.94

Finding the Fourth Proportional to 55,345,903,914.31, 76,377,421,056.47 and 29,971,419,006.94

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Solution

The fourth proportional to 55,345,903,914.31, 76,377,421,056.47 and 29,971,419,006.94 is: 41,360,598,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345,903,914.31 : 76,377,421,056.47 = 29,971,419,006.94 : x
  2. Step 2: Convert to fraction form
    55,345,903,914.31/76,377,421,056.47 = 29,971,419,006.94/x
  3. Step 3: Cross multiply
    55,345,903,914.31x = 76,377,421,056.47 × 29,971,419,006.94
  4. Step 4: Simplify right side
    55,345,903,914.31x = 2,289,139,689,152,641,499,136
  5. Step 5: Solve for x
    x = 2,289,139,689,152,641,499,136/55,345,903,914.31
  6. Step 6: Final answer
    x = 41,360,598,115.75

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1.5x scale

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.