Home / 376,485,294.90-519,562,323.89-209,228,605.63

Finding the Fourth Proportional to 376,485,294.90, 519,562,323.89 and 209,228,605.63

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Solution

The fourth proportional to 376,485,294.90, 519,562,323.89 and 209,228,605.63 is: 288,742,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485,294.90 : 519,562,323.89 = 209,228,605.63 : x
  2. Step 2: Convert to fraction form
    376,485,294.90/519,562,323.89 = 209,228,605.63/x
  3. Step 3: Cross multiply
    376,485,294.90x = 519,562,323.89 × 209,228,605.63
  4. Step 4: Simplify right side
    376,485,294.90x = 108,707,300,565,387,136
  5. Step 5: Solve for x
    x = 108,707,300,565,387,136/376,485,294.90
  6. Step 6: Final answer
    x = 288,742,487.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.