Home / 1,384,424,860.46-1,910,506,400.64-757,893,288.40

Finding the Fourth Proportional to 1,384,424,860.46, 1,910,506,400.64 and 757,893,288.40

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Solution

The fourth proportional to 1,384,424,860.46, 1,910,506,400.64 and 757,893,288.40 is: 1,045,892,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,424,860.46 : 1,910,506,400.64 = 757,893,288.40 : x
  2. Step 2: Convert to fraction form
    1,384,424,860.46/1,910,506,400.64 = 757,893,288.40/x
  3. Step 3: Cross multiply
    1,384,424,860.46x = 1,910,506,400.64 × 757,893,288.40
  4. Step 4: Simplify right side
    1,384,424,860.46x = 1,447,959,978,490,297,600
  5. Step 5: Solve for x
    x = 1,447,959,978,490,297,600/1,384,424,860.46
  6. Step 6: Final answer
    x = 1,045,892,789.02

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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.