Home / 1,376,909,752.91-1,900,080,025.21-750,364,728.35

Finding the Fourth Proportional to 1,376,909,752.91, 1,900,080,025.21 and 750,364,728.35

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Solution

The fourth proportional to 1,376,909,752.91, 1,900,080,025.21 and 750,364,728.35 is: 1,035,473,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,909,752.91 : 1,900,080,025.21 = 750,364,728.35 : x
  2. Step 2: Convert to fraction form
    1,376,909,752.91/1,900,080,025.21 = 750,364,728.35/x
  3. Step 3: Cross multiply
    1,376,909,752.91x = 1,900,080,025.21 × 750,364,728.35
  4. Step 4: Simplify right side
    1,376,909,752.91x = 1,425,753,031,962,836,992
  5. Step 5: Solve for x
    x = 1,425,753,031,962,836,992/1,376,909,752.91
  6. Step 6: Final answer
    x = 1,035,473,115.76

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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.