Home / 525,268,009.60-786,707,620.80-331,776,246.40

Finding the Fourth Proportional to 525,268,009.60, 786,707,620.80 and 331,776,246.40

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Solution

The fourth proportional to 525,268,009.60, 786,707,620.80 and 331,776,246.40 is: 496,909,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,268,009.60 : 786,707,620.80 = 331,776,246.40 : x
  2. Step 2: Convert to fraction form
    525,268,009.60/786,707,620.80 = 331,776,246.40/x
  3. Step 3: Cross multiply
    525,268,009.60x = 786,707,620.80 × 331,776,246.40
  4. Step 4: Simplify right side
    525,268,009.60x = 261,010,901,443,298,528
  5. Step 5: Solve for x
    x = 261,010,901,443,298,528/525,268,009.60
  6. Step 6: Final answer
    x = 496,909,952.01

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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.