Home / 818,895,634.73-1,130,075,892.47-447,619,148.81

Finding the Fourth Proportional to 818,895,634.73, 1,130,075,892.47 and 447,619,148.81

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Solution

The fourth proportional to 818,895,634.73, 1,130,075,892.47 and 447,619,148.81 is: 617,714,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,895,634.73 : 1,130,075,892.47 = 447,619,148.81 : x
  2. Step 2: Convert to fraction form
    818,895,634.73/1,130,075,892.47 = 447,619,148.81/x
  3. Step 3: Cross multiply
    818,895,634.73x = 1,130,075,892.47 × 447,619,148.81
  4. Step 4: Simplify right side
    818,895,634.73x = 505,843,609,075,884,352
  5. Step 5: Solve for x
    x = 505,843,609,075,884,352/818,895,634.73
  6. Step 6: Final answer
    x = 617,714,379.74

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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.