Home / 1,309,335,705.64-1,964,262,285.35-480,297,045.92

Finding the Fourth Proportional to 1,309,335,705.64, 1,964,262,285.35 and 480,297,045.92

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Solution

The fourth proportional to 1,309,335,705.64, 1,964,262,285.35 and 480,297,045.92 is: 720,540,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,335,705.64 : 1,964,262,285.35 = 480,297,045.92 : x
  2. Step 2: Convert to fraction form
    1,309,335,705.64/1,964,262,285.35 = 480,297,045.92/x
  3. Step 3: Cross multiply
    1,309,335,705.64x = 1,964,262,285.35 × 480,297,045.92
  4. Step 4: Simplify right side
    1,309,335,705.64x = 943,429,373,063,271,680
  5. Step 5: Solve for x
    x = 943,429,373,063,271,680/1,309,335,705.64
  6. Step 6: Final answer
    x = 720,540,476.37

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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.