Home / 724,281,651.90-1,086,564,195.45-309,757,671.90

Finding the Fourth Proportional to 724,281,651.90, 1,086,564,195.45 and 309,757,671.90

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Solution

The fourth proportional to 724,281,651.90, 1,086,564,195.45 and 309,757,671.90 is: 464,697,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281,651.90 : 1,086,564,195.45 = 309,757,671.90 : x
  2. Step 2: Convert to fraction form
    724,281,651.90/1,086,564,195.45 = 309,757,671.90/x
  3. Step 3: Cross multiply
    724,281,651.90x = 1,086,564,195.45 × 309,757,671.90
  4. Step 4: Simplify right side
    724,281,651.90x = 336,571,595,552,488,576
  5. Step 5: Solve for x
    x = 336,571,595,552,488,576/724,281,651.90
  6. Step 6: Final answer
    x = 464,697,117.03

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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.