Home / 21,257,609,549.40-31,886,414,324.10-21,257,609,549.40

Finding the Fourth Proportional to 21,257,609,549.40, 31,886,414,324.10 and 21,257,609,549.40

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Solution

The fourth proportional to 21,257,609,549.40, 31,886,414,324.10 and 21,257,609,549.40 is: 31,886,414,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,609,549.40 : 31,886,414,324.10 = 21,257,609,549.40 : x
  2. Step 2: Convert to fraction form
    21,257,609,549.40/31,886,414,324.10 = 21,257,609,549.40/x
  3. Step 3: Cross multiply
    21,257,609,549.40x = 31,886,414,324.10 × 21,257,609,549.40
  4. Step 4: Simplify right side
    21,257,609,549.40x = 677,828,945,632,113,065,984
  5. Step 5: Solve for x
    x = 677,828,945,632,113,065,984/21,257,609,549.40
  6. Step 6: Final answer
    x = 31,886,414,324.10

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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.