Home / 186,346,985,999.40-279,520,478,999.10-156,593,092,444.20

Finding the Fourth Proportional to 186,346,985,999.40, 279,520,478,999.10 and 156,593,092,444.20

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Solution

The fourth proportional to 186,346,985,999.40, 279,520,478,999.10 and 156,593,092,444.20 is: 234,889,638,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,346,985,999.40 : 279,520,478,999.10 = 156,593,092,444.20 : x
  2. Step 2: Convert to fraction form
    186,346,985,999.40/279,520,478,999.10 = 156,593,092,444.20/x
  3. Step 3: Cross multiply
    186,346,985,999.40x = 279,520,478,999.10 × 156,593,092,444.20
  4. Step 4: Simplify right side
    186,346,985,999.40x = 43,770,976,207,953,131,995,136
  5. Step 5: Solve for x
    x = 43,770,976,207,953,131,995,136/186,346,985,999.40
  6. Step 6: Final answer
    x = 234,889,638,666.30

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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.