Home / 373,455,128.70-559,804,779.45-220,022,207.10

Finding the Fourth Proportional to 373,455,128.70, 559,804,779.45 and 220,022,207.10

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Solution

The fourth proportional to 373,455,128.70, 559,804,779.45 and 220,022,207.10 is: 329,810,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,455,128.70 : 559,804,779.45 = 220,022,207.10 : x
  2. Step 2: Convert to fraction form
    373,455,128.70/559,804,779.45 = 220,022,207.10/x
  3. Step 3: Cross multiply
    373,455,128.70x = 559,804,779.45 × 220,022,207.10
  4. Step 4: Simplify right side
    373,455,128.70x = 123,169,483,119,717,728
  5. Step 5: Solve for x
    x = 123,169,483,119,717,728/373,455,128.70
  6. Step 6: Final answer
    x = 329,810,661.72

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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.