Home / 438,149,735.10-656,181,280.26-253,528,128.18

Finding the Fourth Proportional to 438,149,735.10, 656,181,280.26 and 253,528,128.18

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Solution

The fourth proportional to 438,149,735.10, 656,181,280.26 and 253,528,128.18 is: 379,688,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,149,735.10 : 656,181,280.26 = 253,528,128.18 : x
  2. Step 2: Convert to fraction form
    438,149,735.10/656,181,280.26 = 253,528,128.18/x
  3. Step 3: Cross multiply
    438,149,735.10x = 656,181,280.26 × 253,528,128.18
  4. Step 4: Simplify right side
    438,149,735.10x = 166,360,411,731,073,792
  5. Step 5: Solve for x
    x = 166,360,411,731,073,792/438,149,735.10
  6. Step 6: Final answer
    x = 379,688,490.95

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