Home / 21,781,102,977.60-32,671,654,466.40-21,297,373,569.60

Finding the Fourth Proportional to 21,781,102,977.60, 32,671,654,466.40 and 21,297,373,569.60

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Solution

The fourth proportional to 21,781,102,977.60, 32,671,654,466.40 and 21,297,373,569.60 is: 31,946,060,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,102,977.60 : 32,671,654,466.40 = 21,297,373,569.60 : x
  2. Step 2: Convert to fraction form
    21,781,102,977.60/32,671,654,466.40 = 21,297,373,569.60/x
  3. Step 3: Cross multiply
    21,781,102,977.60x = 32,671,654,466.40 × 21,297,373,569.60
  4. Step 4: Simplify right side
    21,781,102,977.60x = 695,820,430,307,811,131,392
  5. Step 5: Solve for x
    x = 695,820,430,307,811,131,392/21,781,102,977.60
  6. Step 6: Final answer
    x = 31,946,060,354.40

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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.