Home / 920,088,803.43-1,379,648,929.50-629,039,161.07

Finding the Fourth Proportional to 920,088,803.43, 1,379,648,929.50 and 629,039,161.07

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Solution

The fourth proportional to 920,088,803.43, 1,379,648,929.50 and 629,039,161.07 is: 943,227,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,088,803.43 : 1,379,648,929.50 = 629,039,161.07 : x
  2. Step 2: Convert to fraction form
    920,088,803.43/1,379,648,929.50 = 629,039,161.07/x
  3. Step 3: Cross multiply
    920,088,803.43x = 1,379,648,929.50 × 629,039,161.07
  4. Step 4: Simplify right side
    920,088,803.43x = 867,853,205,176,905,472
  5. Step 5: Solve for x
    x = 867,853,205,176,905,472/920,088,803.43
  6. Step 6: Final answer
    x = 943,227,655.79

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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.