Home / 1,448,573,874.18-1,999,080,178.94-813,606,090.96

Finding the Fourth Proportional to 1,448,573,874.18, 1,999,080,178.94 and 813,606,090.96

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Solution

The fourth proportional to 1,448,573,874.18, 1,999,080,178.94 and 813,606,090.96 is: 1,122,803,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,573,874.18 : 1,999,080,178.94 = 813,606,090.96 : x
  2. Step 2: Convert to fraction form
    1,448,573,874.18/1,999,080,178.94 = 813,606,090.96/x
  3. Step 3: Cross multiply
    1,448,573,874.18x = 1,999,080,178.94 × 813,606,090.96
  4. Step 4: Simplify right side
    1,448,573,874.18x = 1,626,463,809,902,990,848
  5. Step 5: Solve for x
    x = 1,626,463,809,902,990,848/1,448,573,874.18
  6. Step 6: Final answer
    x = 1,122,803,495.83

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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.