Home / 21,560,258,390.40-32,340,387,585.60-21,270,020,745.60

Finding the Fourth Proportional to 21,560,258,390.40, 32,340,387,585.60 and 21,270,020,745.60

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Solution

The fourth proportional to 21,560,258,390.40, 32,340,387,585.60 and 21,270,020,745.60 is: 31,905,031,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,258,390.40 : 32,340,387,585.60 = 21,270,020,745.60 : x
  2. Step 2: Convert to fraction form
    21,560,258,390.40/32,340,387,585.60 = 21,270,020,745.60/x
  3. Step 3: Cross multiply
    21,560,258,390.40x = 32,340,387,585.60 × 21,270,020,745.60
  4. Step 4: Simplify right side
    21,560,258,390.40x = 687,880,714,866,456,657,920
  5. Step 5: Solve for x
    x = 687,880,714,866,456,657,920/21,560,258,390.40
  6. Step 6: Final answer
    x = 31,905,031,118.40

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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.