Home / 672,691,541.40-1,009,179,029.70-284,314,458.60

Finding the Fourth Proportional to 672,691,541.40, 1,009,179,029.70 and 284,314,458.60

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Solution

The fourth proportional to 672,691,541.40, 1,009,179,029.70 and 284,314,458.60 is: 426,531,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,691,541.40 : 1,009,179,029.70 = 284,314,458.60 : x
  2. Step 2: Convert to fraction form
    672,691,541.40/1,009,179,029.70 = 284,314,458.60/x
  3. Step 3: Cross multiply
    672,691,541.40x = 1,009,179,029.70 × 284,314,458.60
  4. Step 4: Simplify right side
    672,691,541.40x = 286,924,189,459,628,864
  5. Step 5: Solve for x
    x = 286,924,189,459,628,864/672,691,541.40
  6. Step 6: Final answer
    x = 426,531,585.13

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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.