Home / 1,261,034,533.58-1,891,732,318.08-387,709,222.21

Finding the Fourth Proportional to 1,261,034,533.58, 1,891,732,318.08 and 387,709,222.21

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Solution

The fourth proportional to 1,261,034,533.58, 1,891,732,318.08 and 387,709,222.21 is: 581,619,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,034,533.58 : 1,891,732,318.08 = 387,709,222.21 : x
  2. Step 2: Convert to fraction form
    1,261,034,533.58/1,891,732,318.08 = 387,709,222.21/x
  3. Step 3: Cross multiply
    1,261,034,533.58x = 1,891,732,318.08 × 387,709,222.21
  4. Step 4: Simplify right side
    1,261,034,533.58x = 733,442,065,666,191,104
  5. Step 5: Solve for x
    x = 733,442,065,666,191,104/1,261,034,533.58
  6. Step 6: Final answer
    x = 581,619,334.08

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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.