Home / 3,138,023,053.32-4,330,668,482.10-1,728,326,735.88

Finding the Fourth Proportional to 3,138,023,053.32, 4,330,668,482.10 and 1,728,326,735.88

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Solution

The fourth proportional to 3,138,023,053.32, 4,330,668,482.10 and 1,728,326,735.88 is: 2,385,199,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,023,053.32 : 4,330,668,482.10 = 1,728,326,735.88 : x
  2. Step 2: Convert to fraction form
    3,138,023,053.32/4,330,668,482.10 = 1,728,326,735.88/x
  3. Step 3: Cross multiply
    3,138,023,053.32x = 4,330,668,482.10 × 1,728,326,735.88
  4. Step 4: Simplify right side
    3,138,023,053.32x = 7,484,810,121,846,288,384
  5. Step 5: Solve for x
    x = 7,484,810,121,846,288,384/3,138,023,053.32
  6. Step 6: Final answer
    x = 2,385,199,214.50

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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.