Home / 1,152,587,421.39-1,590,570,304.57-623,951,015.25

Finding the Fourth Proportional to 1,152,587,421.39, 1,590,570,304.57 and 623,951,015.25

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Solution

The fourth proportional to 1,152,587,421.39, 1,590,570,304.57 and 623,951,015.25 is: 861,052,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,587,421.39 : 1,590,570,304.57 = 623,951,015.25 : x
  2. Step 2: Convert to fraction form
    1,152,587,421.39/1,590,570,304.57 = 623,951,015.25/x
  3. Step 3: Cross multiply
    1,152,587,421.39x = 1,590,570,304.57 × 623,951,015.25
  4. Step 4: Simplify right side
    1,152,587,421.39x = 992,437,956,362,953,216
  5. Step 5: Solve for x
    x = 992,437,956,362,953,216/1,152,587,421.39
  6. Step 6: Final answer
    x = 861,052,218.64

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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.