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Finding the Fourth Proportional to 1,329,698,713.70, 1,994,548,070.55 and 360,350,329.70

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Solution

The fourth proportional to 1,329,698,713.70, 1,994,548,070.55 and 360,350,329.70 is: 540,525,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,713.70 : 1,994,548,070.55 = 360,350,329.70 : x
  2. Step 2: Convert to fraction form
    1,329,698,713.70/1,994,548,070.55 = 360,350,329.70/x
  3. Step 3: Cross multiply
    1,329,698,713.70x = 1,994,548,070.55 × 360,350,329.70
  4. Step 4: Simplify right side
    1,329,698,713.70x = 718,736,054,825,191,296
  5. Step 5: Solve for x
    x = 718,736,054,825,191,296/1,329,698,713.70
  6. Step 6: Final answer
    x = 540,525,494.55

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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.