Home / 789,592,062.16-1,089,653,670.40-432,374,841.28

Finding the Fourth Proportional to 789,592,062.16, 1,089,653,670.40 and 432,374,841.28

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Solution

The fourth proportional to 789,592,062.16, 1,089,653,670.40 and 432,374,841.28 is: 596,686,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,592,062.16 : 1,089,653,670.40 = 432,374,841.28 : x
  2. Step 2: Convert to fraction form
    789,592,062.16/1,089,653,670.40 = 432,374,841.28/x
  3. Step 3: Cross multiply
    789,592,062.16x = 1,089,653,670.40 × 432,374,841.28
  4. Step 4: Simplify right side
    789,592,062.16x = 471,138,832,783,921,152
  5. Step 5: Solve for x
    x = 471,138,832,783,921,152/789,592,062.16
  6. Step 6: Final answer
    x = 596,686,384.48

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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.