Home / 488,831,488.50-674,600,239.08-265,826,212.88

Finding the Fourth Proportional to 488,831,488.50, 674,600,239.08 and 265,826,212.88

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Solution

The fourth proportional to 488,831,488.50, 674,600,239.08 and 265,826,212.88 is: 366,847,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,831,488.50 : 674,600,239.08 = 265,826,212.88 : x
  2. Step 2: Convert to fraction form
    488,831,488.50/674,600,239.08 = 265,826,212.88/x
  3. Step 3: Cross multiply
    488,831,488.50x = 674,600,239.08 × 265,826,212.88
  4. Step 4: Simplify right side
    488,831,488.50x = 179,326,426,762,578,976
  5. Step 5: Solve for x
    x = 179,326,426,762,578,976/488,831,488.50
  6. Step 6: Final answer
    x = 366,847,126.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.