Home / 993,888,007.70-1,490,832,011.55-266,950,202.90

Finding the Fourth Proportional to 993,888,007.70, 1,490,832,011.55 and 266,950,202.90

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Solution

The fourth proportional to 993,888,007.70, 1,490,832,011.55 and 266,950,202.90 is: 400,425,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,888,007.70 : 1,490,832,011.55 = 266,950,202.90 : x
  2. Step 2: Convert to fraction form
    993,888,007.70/1,490,832,011.55 = 266,950,202.90/x
  3. Step 3: Cross multiply
    993,888,007.70x = 1,490,832,011.55 × 266,950,202.90
  4. Step 4: Simplify right side
    993,888,007.70x = 397,977,907,973,087,616
  5. Step 5: Solve for x
    x = 397,977,907,973,087,616/993,888,007.70
  6. Step 6: Final answer
    x = 400,425,304.35

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1.5x scale

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.