Home / 1,088,671,903.20-1,633,220,431.20-433,511,438.40

Finding the Fourth Proportional to 1,088,671,903.20, 1,633,220,431.20 and 433,511,438.40

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Solution

The fourth proportional to 1,088,671,903.20, 1,633,220,431.20 and 433,511,438.40 is: 650,351,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,671,903.20 : 1,633,220,431.20 = 433,511,438.40 : x
  2. Step 2: Convert to fraction form
    1,088,671,903.20/1,633,220,431.20 = 433,511,438.40/x
  3. Step 3: Cross multiply
    1,088,671,903.20x = 1,633,220,431.20 × 433,511,438.40
  4. Step 4: Simplify right side
    1,088,671,903.20x = 708,019,738,353,780,224
  5. Step 5: Solve for x
    x = 708,019,738,353,780,224/1,088,671,903.20
  6. Step 6: Final answer
    x = 650,351,805.97

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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.