Home / 1,444,592,620.80-1,993,708,002.24-857,881,756.80

Finding the Fourth Proportional to 1,444,592,620.80, 1,993,708,002.24 and 857,881,756.80

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Solution

The fourth proportional to 1,444,592,620.80, 1,993,708,002.24 and 857,881,756.80 is: 1,183,977,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,592,620.80 : 1,993,708,002.24 = 857,881,756.80 : x
  2. Step 2: Convert to fraction form
    1,444,592,620.80/1,993,708,002.24 = 857,881,756.80/x
  3. Step 3: Cross multiply
    1,444,592,620.80x = 1,993,708,002.24 × 857,881,756.80
  4. Step 4: Simplify right side
    1,444,592,620.80x = 1,710,365,723,507,869,440
  5. Step 5: Solve for x
    x = 1,710,365,723,507,869,440/1,444,592,620.80
  6. Step 6: Final answer
    x = 1,183,977,890.29

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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.