Home / 1,357,983,254.09-2,037,201,703.11-425,120,453.72

Finding the Fourth Proportional to 1,357,983,254.09, 2,037,201,703.11 and 425,120,453.72

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Solution

The fourth proportional to 1,357,983,254.09, 2,037,201,703.11 and 425,120,453.72 is: 637,751,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,983,254.09 : 2,037,201,703.11 = 425,120,453.72 : x
  2. Step 2: Convert to fraction form
    1,357,983,254.09/2,037,201,703.11 = 425,120,453.72/x
  3. Step 3: Cross multiply
    1,357,983,254.09x = 2,037,201,703.11 × 425,120,453.72
  4. Step 4: Simplify right side
    1,357,983,254.09x = 866,056,112,345,280,000
  5. Step 5: Solve for x
    x = 866,056,112,345,280,000/1,357,983,254.09
  6. Step 6: Final answer
    x = 637,751,687.83

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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.