Home / 1,301,657,258.12-1,952,270,012.46-428,269,276.04

Finding the Fourth Proportional to 1,301,657,258.12, 1,952,270,012.46 and 428,269,276.04

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Solution

The fourth proportional to 1,301,657,258.12, 1,952,270,012.46 and 428,269,276.04 is: 642,332,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,657,258.12 : 1,952,270,012.46 = 428,269,276.04 : x
  2. Step 2: Convert to fraction form
    1,301,657,258.12/1,952,270,012.46 = 428,269,276.04/x
  3. Step 3: Cross multiply
    1,301,657,258.12x = 1,952,270,012.46 × 428,269,276.04
  4. Step 4: Simplify right side
    1,301,657,258.12x = 836,097,264,870,846,080
  5. Step 5: Solve for x
    x = 836,097,264,870,846,080/1,301,657,258.12
  6. Step 6: Final answer
    x = 642,332,887.29

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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.