Home / 1,932,339,200.40-2,898,508,800.60-478,316,624.40

Finding the Fourth Proportional to 1,932,339,200.40, 2,898,508,800.60 and 478,316,624.40

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Solution

The fourth proportional to 1,932,339,200.40, 2,898,508,800.60 and 478,316,624.40 is: 717,474,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,339,200.40 : 2,898,508,800.60 = 478,316,624.40 : x
  2. Step 2: Convert to fraction form
    1,932,339,200.40/2,898,508,800.60 = 478,316,624.40/x
  3. Step 3: Cross multiply
    1,932,339,200.40x = 2,898,508,800.60 × 478,316,624.40
  4. Step 4: Simplify right side
    1,932,339,200.40x = 1,386,404,945,296,684,544
  5. Step 5: Solve for x
    x = 1,386,404,945,296,684,544/1,932,339,200.40
  6. Step 6: Final answer
    x = 717,474,936.60

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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.