Home / 353,570,538,735.90-530,355,807,504.45-84,959,518,928.57

Finding the Fourth Proportional to 353,570,538,735.90, 530,355,807,504.45 and 84,959,518,928.57

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Solution

The fourth proportional to 353,570,538,735.90, 530,355,807,504.45 and 84,959,518,928.57 is: 127,439,278,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,570,538,735.90 : 530,355,807,504.45 = 84,959,518,928.57 : x
  2. Step 2: Convert to fraction form
    353,570,538,735.90/530,355,807,504.45 = 84,959,518,928.57/x
  3. Step 3: Cross multiply
    353,570,538,735.90x = 530,355,807,504.45 × 84,959,518,928.57
  4. Step 4: Simplify right side
    353,570,538,735.90x = 45,058,774,266,548,699,791,360
  5. Step 5: Solve for x
    x = 45,058,774,266,548,699,791,360/353,570,538,735.90
  6. Step 6: Final answer
    x = 127,439,278,248.82

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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.