Home / 711,439,643.20-1,067,159,464.80-467,338,950.40

Finding the Fourth Proportional to 711,439,643.20, 1,067,159,464.80 and 467,338,950.40

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Solution

The fourth proportional to 711,439,643.20, 1,067,159,464.80 and 467,338,950.40 is: 701,008,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,439,643.20 : 1,067,159,464.80 = 467,338,950.40 : x
  2. Step 2: Convert to fraction form
    711,439,643.20/1,067,159,464.80 = 467,338,950.40/x
  3. Step 3: Cross multiply
    711,439,643.20x = 1,067,159,464.80 × 467,338,950.40
  4. Step 4: Simplify right side
    711,439,643.20x = 498,725,184,189,057,728
  5. Step 5: Solve for x
    x = 498,725,184,189,057,728/711,439,643.20
  6. Step 6: Final answer
    x = 701,008,425.60

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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.