Home / 531,444,041.60-797,166,062.40-400,496,979.20

Finding the Fourth Proportional to 531,444,041.60, 797,166,062.40 and 400,496,979.20

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Solution

The fourth proportional to 531,444,041.60, 797,166,062.40 and 400,496,979.20 is: 600,745,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,444,041.60 : 797,166,062.40 = 400,496,979.20 : x
  2. Step 2: Convert to fraction form
    531,444,041.60/797,166,062.40 = 400,496,979.20/x
  3. Step 3: Cross multiply
    531,444,041.60x = 797,166,062.40 × 400,496,979.20
  4. Step 4: Simplify right side
    531,444,041.60x = 319,262,599,911,958,656
  5. Step 5: Solve for x
    x = 319,262,599,911,958,656/531,444,041.60
  6. Step 6: Final answer
    x = 600,745,468.80

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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.