Home / 18,198,755,999.40-27,298,133,999.10-8,877,706,012.20

Finding the Fourth Proportional to 18,198,755,999.40, 27,298,133,999.10 and 8,877,706,012.20

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Solution

The fourth proportional to 18,198,755,999.40, 27,298,133,999.10 and 8,877,706,012.20 is: 13,316,559,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,755,999.40 : 27,298,133,999.10 = 8,877,706,012.20 : x
  2. Step 2: Convert to fraction form
    18,198,755,999.40/27,298,133,999.10 = 8,877,706,012.20/x
  3. Step 3: Cross multiply
    18,198,755,999.40x = 27,298,133,999.10 × 8,877,706,012.20
  4. Step 4: Simplify right side
    18,198,755,999.40x = 242,344,808,325,651,300,352
  5. Step 5: Solve for x
    x = 242,344,808,325,651,300,352/18,198,755,999.40
  6. Step 6: Final answer
    x = 13,316,559,018.30

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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.