Home / 818,895,636.98-1,130,075,895.57-447,619,151.06

Finding the Fourth Proportional to 818,895,636.98, 1,130,075,895.57 and 447,619,151.06

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Solution

The fourth proportional to 818,895,636.98, 1,130,075,895.57 and 447,619,151.06 is: 617,714,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,895,636.98 : 1,130,075,895.57 = 447,619,151.06 : x
  2. Step 2: Convert to fraction form
    818,895,636.98/1,130,075,895.57 = 447,619,151.06/x
  3. Step 3: Cross multiply
    818,895,636.98x = 1,130,075,895.57 × 447,619,151.06
  4. Step 4: Simplify right side
    818,895,636.98x = 505,843,613,008,412,608
  5. Step 5: Solve for x
    x = 505,843,613,008,412,608/818,895,636.98
  6. Step 6: Final answer
    x = 617,714,382.84

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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.