Home / 517,833,289.20-776,451,335.40-194,749,820.40

Finding the Fourth Proportional to 517,833,289.20, 776,451,335.40 and 194,749,820.40

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Solution

The fourth proportional to 517,833,289.20, 776,451,335.40 and 194,749,820.40 is: 292,012,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,833,289.20 : 776,451,335.40 = 194,749,820.40 : x
  2. Step 2: Convert to fraction form
    517,833,289.20/776,451,335.40 = 194,749,820.40/x
  3. Step 3: Cross multiply
    517,833,289.20x = 776,451,335.40 × 194,749,820.40
  4. Step 4: Simplify right side
    517,833,289.20x = 151,213,758,118,490,176
  5. Step 5: Solve for x
    x = 151,213,758,118,490,176/517,833,289.20
  6. Step 6: Final answer
    x = 292,012,431.94

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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.