Home / 21,655,223,572.30-29,880,257,125.90-12,496,411,145.39

Finding the Fourth Proportional to 21,655,223,572.30, 29,880,257,125.90 and 12,496,411,145.39

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Solution

The fourth proportional to 21,655,223,572.30, 29,880,257,125.90 and 12,496,411,145.39 is: 17,242,767,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655,223,572.30 : 29,880,257,125.90 = 12,496,411,145.39 : x
  2. Step 2: Convert to fraction form
    21,655,223,572.30/29,880,257,125.90 = 12,496,411,145.39/x
  3. Step 3: Cross multiply
    21,655,223,572.30x = 29,880,257,125.90 × 12,496,411,145.39
  4. Step 4: Simplify right side
    21,655,223,572.30x = 373,395,978,175,215,697,920
  5. Step 5: Solve for x
    x = 373,395,978,175,215,697,920/21,655,223,572.30
  6. Step 6: Final answer
    x = 17,242,767,174.79

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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.