Home / 672,051,811.10-1,008,077,716.65-557,260,555.10

Finding the Fourth Proportional to 672,051,811.10, 1,008,077,716.65 and 557,260,555.10

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Solution

The fourth proportional to 672,051,811.10, 1,008,077,716.65 and 557,260,555.10 is: 835,890,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,051,811.10 : 1,008,077,716.65 = 557,260,555.10 : x
  2. Step 2: Convert to fraction form
    672,051,811.10/1,008,077,716.65 = 557,260,555.10/x
  3. Step 3: Cross multiply
    672,051,811.10x = 1,008,077,716.65 × 557,260,555.10
  4. Step 4: Simplify right side
    672,051,811.10x = 561,761,947,964,319,552
  5. Step 5: Solve for x
    x = 561,761,947,964,319,552/672,051,811.10
  6. Step 6: Final answer
    x = 835,890,832.65

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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.