Home / 376,104,097.72-561,623,539.98-307,153,779.86

Finding the Fourth Proportional to 376,104,097.72, 561,623,539.98 and 307,153,779.86

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Solution

The fourth proportional to 376,104,097.72, 561,623,539.98 and 307,153,779.86 is: 458,662,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,104,097.72 : 561,623,539.98 = 307,153,779.86 : x
  2. Step 2: Convert to fraction form
    376,104,097.72/561,623,539.98 = 307,153,779.86/x
  3. Step 3: Cross multiply
    376,104,097.72x = 561,623,539.98 × 307,153,779.86
  4. Step 4: Simplify right side
    376,104,097.72x = 172,504,793,163,210,848
  5. Step 5: Solve for x
    x = 172,504,793,163,210,848/376,104,097.72
  6. Step 6: Final answer
    x = 458,662,360.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.