Home / 749,138,770.60-1,122,952,328.70-340,488,197.80

Finding the Fourth Proportional to 749,138,770.60, 1,122,952,328.70 and 340,488,197.80

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Solution

The fourth proportional to 749,138,770.60, 1,122,952,328.70 and 340,488,197.80 is: 510,388,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,138,770.60 : 1,122,952,328.70 = 340,488,197.80 : x
  2. Step 2: Convert to fraction form
    749,138,770.60/1,122,952,328.70 = 340,488,197.80/x
  3. Step 3: Cross multiply
    749,138,770.60x = 1,122,952,328.70 × 340,488,197.80
  4. Step 4: Simplify right side
    749,138,770.60x = 382,352,014,614,376,256
  5. Step 5: Solve for x
    x = 382,352,014,614,376,256/749,138,770.60
  6. Step 6: Final answer
    x = 510,388,768.57

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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.