Home / 574,953,927.20-862,430,890.80-211,373,050.40

Finding the Fourth Proportional to 574,953,927.20, 862,430,890.80 and 211,373,050.40

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Solution

The fourth proportional to 574,953,927.20, 862,430,890.80 and 211,373,050.40 is: 317,059,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,953,927.20 : 862,430,890.80 = 211,373,050.40 : x
  2. Step 2: Convert to fraction form
    574,953,927.20/862,430,890.80 = 211,373,050.40/x
  3. Step 3: Cross multiply
    574,953,927.20x = 862,430,890.80 × 211,373,050.40
  4. Step 4: Simplify right side
    574,953,927.20x = 182,294,648,147,585,280
  5. Step 5: Solve for x
    x = 182,294,648,147,585,280/574,953,927.20
  6. Step 6: Final answer
    x = 317,059,575.60

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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.