Home / 21,560,257,761.60-32,340,386,642.40-5,220,953,313.60

Finding the Fourth Proportional to 21,560,257,761.60, 32,340,386,642.40 and 5,220,953,313.60

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Solution

The fourth proportional to 21,560,257,761.60, 32,340,386,642.40 and 5,220,953,313.60 is: 7,831,429,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,257,761.60 : 32,340,386,642.40 = 5,220,953,313.60 : x
  2. Step 2: Convert to fraction form
    21,560,257,761.60/32,340,386,642.40 = 5,220,953,313.60/x
  3. Step 3: Cross multiply
    21,560,257,761.60x = 32,340,386,642.40 × 5,220,953,313.60
  4. Step 4: Simplify right side
    21,560,257,761.60x = 168,847,648,803,743,465,472
  5. Step 5: Solve for x
    x = 168,847,648,803,743,465,472/21,560,257,761.60
  6. Step 6: Final answer
    x = 7,831,429,970.40

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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.