Home / 979,521,035.76-1,351,739,029.77-539,487,887.76

Finding the Fourth Proportional to 979,521,035.76, 1,351,739,029.77 and 539,487,887.76

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Solution

The fourth proportional to 979,521,035.76, 1,351,739,029.77 and 539,487,887.76 is: 744,493,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,521,035.76 : 1,351,739,029.77 = 539,487,887.76 : x
  2. Step 2: Convert to fraction form
    979,521,035.76/1,351,739,029.77 = 539,487,887.76/x
  3. Step 3: Cross multiply
    979,521,035.76x = 1,351,739,029.77 × 539,487,887.76
  4. Step 4: Simplify right side
    979,521,035.76x = 729,246,833,973,369,088
  5. Step 5: Solve for x
    x = 729,246,833,973,369,088/979,521,035.76
  6. Step 6: Final answer
    x = 744,493,285.34

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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.