Home / 897,176,933.42-1,238,052,511.91-500,668,803.32

Finding the Fourth Proportional to 897,176,933.42, 1,238,052,511.91 and 500,668,803.32

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Solution

The fourth proportional to 897,176,933.42, 1,238,052,511.91 and 500,668,803.32 is: 690,894,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,176,933.42 : 1,238,052,511.91 = 500,668,803.32 : x
  2. Step 2: Convert to fraction form
    897,176,933.42/1,238,052,511.91 = 500,668,803.32/x
  3. Step 3: Cross multiply
    897,176,933.42x = 1,238,052,511.91 × 500,668,803.32
  4. Step 4: Simplify right side
    897,176,933.42x = 619,854,269,580,361,088
  5. Step 5: Solve for x
    x = 619,854,269,580,361,088/897,176,933.42
  6. Step 6: Final answer
    x = 690,894,121.88

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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.