Home / 1,137,254,782.50-1,705,882,173.75-275,611,774.50

Finding the Fourth Proportional to 1,137,254,782.50, 1,705,882,173.75 and 275,611,774.50

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Solution

The fourth proportional to 1,137,254,782.50, 1,705,882,173.75 and 275,611,774.50 is: 413,417,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,254,782.50 : 1,705,882,173.75 = 275,611,774.50 : x
  2. Step 2: Convert to fraction form
    1,137,254,782.50/1,705,882,173.75 = 275,611,774.50/x
  3. Step 3: Cross multiply
    1,137,254,782.50x = 1,705,882,173.75 × 275,611,774.50
  4. Step 4: Simplify right side
    1,137,254,782.50x = 470,161,212,995,154,816
  5. Step 5: Solve for x
    x = 470,161,212,995,154,816/1,137,254,782.50
  6. Step 6: Final answer
    x = 413,417,661.75

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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.