Home / 1,413,107,973.14-2,119,978,098.03-430,611,406.70

Finding the Fourth Proportional to 1,413,107,973.14, 2,119,978,098.03 and 430,611,406.70

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Solution

The fourth proportional to 1,413,107,973.14, 2,119,978,098.03 and 430,611,406.70 is: 646,013,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,107,973.14 : 2,119,978,098.03 = 430,611,406.70 : x
  2. Step 2: Convert to fraction form
    1,413,107,973.14/2,119,978,098.03 = 430,611,406.70/x
  3. Step 3: Cross multiply
    1,413,107,973.14x = 2,119,978,098.03 × 430,611,406.70
  4. Step 4: Simplify right side
    1,413,107,973.14x = 912,886,750,955,288,832
  5. Step 5: Solve for x
    x = 912,886,750,955,288,832/1,413,107,973.14
  6. Step 6: Final answer
    x = 646,013,445.76

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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.