Home / 1,385,557,467.12-1,912,054,066.45-750,462,158.70

Finding the Fourth Proportional to 1,385,557,467.12, 1,912,054,066.45 and 750,462,158.70

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Solution

The fourth proportional to 1,385,557,467.12, 1,912,054,066.45 and 750,462,158.70 is: 1,035,629,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,557,467.12 : 1,912,054,066.45 = 750,462,158.70 : x
  2. Step 2: Convert to fraction form
    1,385,557,467.12/1,912,054,066.45 = 750,462,158.70/x
  3. Step 3: Cross multiply
    1,385,557,467.12x = 1,912,054,066.45 × 750,462,158.70
  4. Step 4: Simplify right side
    1,385,557,467.12x = 1,434,924,222,259,180,288
  5. Step 5: Solve for x
    x = 1,434,924,222,259,180,288/1,385,557,467.12
  6. Step 6: Final answer
    x = 1,035,629,525.52

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Double scale
Find fourth proportional to 1,385,557,468.12, 1,912,054,067.83 and 750,462,159.70
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1.5x scale

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.