Home / 731,181,207.56-1,009,030,066.42-417,922,147.58

Finding the Fourth Proportional to 731,181,207.56, 1,009,030,066.42 and 417,922,147.58

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Solution

The fourth proportional to 731,181,207.56, 1,009,030,066.42 and 417,922,147.58 is: 576,732,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,207.56 : 1,009,030,066.42 = 417,922,147.58 : x
  2. Step 2: Convert to fraction form
    731,181,207.56/1,009,030,066.42 = 417,922,147.58/x
  3. Step 3: Cross multiply
    731,181,207.56x = 1,009,030,066.42 × 417,922,147.58
  4. Step 4: Simplify right side
    731,181,207.56x = 421,696,012,331,036,416
  5. Step 5: Solve for x
    x = 421,696,012,331,036,416/731,181,207.56
  6. Step 6: Final answer
    x = 576,732,563.65

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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.