Home / 19,285,081,573.26-28,931,347,664.61-7,332,404,578.63

Finding the Fourth Proportional to 19,285,081,573.26, 28,931,347,664.61 and 7,332,404,578.63

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Solution

The fourth proportional to 19,285,081,573.26, 28,931,347,664.61 and 7,332,404,578.63 is: 11,000,023,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,081,573.26 : 28,931,347,664.61 = 7,332,404,578.63 : x
  2. Step 2: Convert to fraction form
    19,285,081,573.26/28,931,347,664.61 = 7,332,404,578.63/x
  3. Step 3: Cross multiply
    19,285,081,573.26x = 28,931,347,664.61 × 7,332,404,578.63
  4. Step 4: Simplify right side
    19,285,081,573.26x = 212,136,346,081,922,744,320
  5. Step 5: Solve for x
    x = 212,136,346,081,922,744,320/19,285,081,573.26
  6. Step 6: Final answer
    x = 11,000,023,270.63

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1.5x scale

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.