Home / 479,367,276.62-719,258,062.75-257,779,623.28

Finding the Fourth Proportional to 479,367,276.62, 719,258,062.75 and 257,779,623.28

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Solution

The fourth proportional to 479,367,276.62, 719,258,062.75 and 257,779,623.28 is: 386,780,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,367,276.62 : 719,258,062.75 = 257,779,623.28 : x
  2. Step 2: Convert to fraction form
    479,367,276.62/719,258,062.75 = 257,779,623.28/x
  3. Step 3: Cross multiply
    479,367,276.62x = 719,258,062.75 × 257,779,623.28
  4. Step 4: Simplify right side
    479,367,276.62x = 185,410,072,453,201,312
  5. Step 5: Solve for x
    x = 185,410,072,453,201,312/479,367,276.62
  6. Step 6: Final answer
    x = 386,780,828.60

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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.