Home / 458,842,953.60-688,263,804.96-213,065,190.72

Finding the Fourth Proportional to 458,842,953.60, 688,263,804.96 and 213,065,190.72

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Solution

The fourth proportional to 458,842,953.60, 688,263,804.96 and 213,065,190.72 is: 319,597,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,953.60 : 688,263,804.96 = 213,065,190.72 : x
  2. Step 2: Convert to fraction form
    458,842,953.60/688,263,804.96 = 213,065,190.72/x
  3. Step 3: Cross multiply
    458,842,953.60x = 688,263,804.96 × 213,065,190.72
  4. Step 4: Simplify right side
    458,842,953.60x = 146,645,058,869,475,296
  5. Step 5: Solve for x
    x = 146,645,058,869,475,296/458,842,953.60
  6. Step 6: Final answer
    x = 319,597,495.65

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