Home / 636,359,713.59-878,075,222.41-357,847,450.59

Finding the Fourth Proportional to 636,359,713.59, 878,075,222.41 and 357,847,450.59

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Solution

The fourth proportional to 636,359,713.59, 878,075,222.41 and 357,847,450.59 is: 493,772,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,359,713.59 : 878,075,222.41 = 357,847,450.59 : x
  2. Step 2: Convert to fraction form
    636,359,713.59/878,075,222.41 = 357,847,450.59/x
  3. Step 3: Cross multiply
    636,359,713.59x = 878,075,222.41 × 357,847,450.59
  4. Step 4: Simplify right side
    636,359,713.59x = 314,216,979,765,665,728
  5. Step 5: Solve for x
    x = 314,216,979,765,665,728/636,359,713.59
  6. Step 6: Final answer
    x = 493,772,583.42

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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.