Home / 672,051,817.60-1,008,077,726.40-557,260,561.60

Finding the Fourth Proportional to 672,051,817.60, 1,008,077,726.40 and 557,260,561.60

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Solution

The fourth proportional to 672,051,817.60, 1,008,077,726.40 and 557,260,561.60 is: 835,890,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,051,817.60 : 1,008,077,726.40 = 557,260,561.60 : x
  2. Step 2: Convert to fraction form
    672,051,817.60/1,008,077,726.40 = 557,260,561.60/x
  3. Step 3: Cross multiply
    672,051,817.60x = 1,008,077,726.40 × 557,260,561.60
  4. Step 4: Simplify right side
    672,051,817.60x = 561,761,959,950,115,136
  5. Step 5: Solve for x
    x = 561,761,959,950,115,136/672,051,817.60
  6. Step 6: Final answer
    x = 835,890,842.40

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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.