Home / 1,248,538,410.80-1,872,240,745.80-471,925,962.80

Finding the Fourth Proportional to 1,248,538,410.80, 1,872,240,745.80 and 471,925,962.80

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Solution

The fourth proportional to 1,248,538,410.80, 1,872,240,745.80 and 471,925,962.80 is: 707,674,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,538,410.80 : 1,872,240,745.80 = 471,925,962.80 : x
  2. Step 2: Convert to fraction form
    1,248,538,410.80/1,872,240,745.80 = 471,925,962.80/x
  3. Step 3: Cross multiply
    1,248,538,410.80x = 1,872,240,745.80 × 471,925,962.80
  4. Step 4: Simplify right side
    1,248,538,410.80x = 883,559,016,555,055,104
  5. Step 5: Solve for x
    x = 883,559,016,555,055,104/1,248,538,410.80
  6. Step 6: Final answer
    x = 707,674,676.98

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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.