Home / 1,026,727,277.86-1,539,981,738.87-289,778,961.70

Finding the Fourth Proportional to 1,026,727,277.86, 1,539,981,738.87 and 289,778,961.70

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Solution

The fourth proportional to 1,026,727,277.86, 1,539,981,738.87 and 289,778,961.70 is: 434,637,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,727,277.86 : 1,539,981,738.87 = 289,778,961.70 : x
  2. Step 2: Convert to fraction form
    1,026,727,277.86/1,539,981,738.87 = 289,778,961.70/x
  3. Step 3: Cross multiply
    1,026,727,277.86x = 1,539,981,738.87 × 289,778,961.70
  4. Step 4: Simplify right side
    1,026,727,277.86x = 446,254,309,326,709,056
  5. Step 5: Solve for x
    x = 446,254,309,326,709,056/1,026,727,277.86
  6. Step 6: Final answer
    x = 434,637,628.66

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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.