Home / 1,329,696,000.65-1,994,544,000.98-639,247,853.45

Finding the Fourth Proportional to 1,329,696,000.65, 1,994,544,000.98 and 639,247,853.45

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Solution

The fourth proportional to 1,329,696,000.65, 1,994,544,000.98 and 639,247,853.45 is: 958,871,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,000.65 : 1,994,544,000.98 = 639,247,853.45 : x
  2. Step 2: Convert to fraction form
    1,329,696,000.65/1,994,544,000.98 = 639,247,853.45/x
  3. Step 3: Cross multiply
    1,329,696,000.65x = 1,994,544,000.98 × 639,247,853.45
  4. Step 4: Simplify right side
    1,329,696,000.65x = 1,275,007,971,234,843,392
  5. Step 5: Solve for x
    x = 1,275,007,971,234,843,392/1,329,696,000.65
  6. Step 6: Final answer
    x = 958,871,780.18

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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.