Home / 790,565,773.69-1,090,980,746.03-438,194,704.37

Finding the Fourth Proportional to 790,565,773.69, 1,090,980,746.03 and 438,194,704.37

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Solution

The fourth proportional to 790,565,773.69, 1,090,980,746.03 and 438,194,704.37 is: 604,708,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,565,773.69 : 1,090,980,746.03 = 438,194,704.37 : x
  2. Step 2: Convert to fraction form
    790,565,773.69/1,090,980,746.03 = 438,194,704.37/x
  3. Step 3: Cross multiply
    790,565,773.69x = 1,090,980,746.03 × 438,194,704.37
  4. Step 4: Simplify right side
    790,565,773.69x = 478,061,985,483,800,832
  5. Step 5: Solve for x
    x = 478,061,985,483,800,832/790,565,773.69
  6. Step 6: Final answer
    x = 604,708,680.03

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