Home / 21,430,460,723.73-29,575,692,377.91-12,857,210,002.77

Finding the Fourth Proportional to 21,430,460,723.73, 29,575,692,377.91 and 12,857,210,002.77

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Solution

The fourth proportional to 21,430,460,723.73, 29,575,692,377.91 and 12,857,210,002.77 is: 17,743,943,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,460,723.73 : 29,575,692,377.91 = 12,857,210,002.77 : x
  2. Step 2: Convert to fraction form
    21,430,460,723.73/29,575,692,377.91 = 12,857,210,002.77/x
  3. Step 3: Cross multiply
    21,430,460,723.73x = 29,575,692,377.91 × 12,857,210,002.77
  4. Step 4: Simplify right side
    21,430,460,723.73x = 380,260,887,880,112,930,816
  5. Step 5: Solve for x
    x = 380,260,887,880,112,930,816/21,430,460,723.73
  6. Step 6: Final answer
    x = 17,743,943,668.88

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1.5x scale

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.