Home / 1,405,817,857,695.60-2,108,726,786,543.40-463,561,343,852.40

Finding the Fourth Proportional to 1,405,817,857,695.60, 2,108,726,786,543.40 and 463,561,343,852.40

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Solution

The fourth proportional to 1,405,817,857,695.60, 2,108,726,786,543.40 and 463,561,343,852.40 is: 695,342,015,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,817,857,695.60 : 2,108,726,786,543.40 = 463,561,343,852.40 : x
  2. Step 2: Convert to fraction form
    1,405,817,857,695.60/2,108,726,786,543.40 = 463,561,343,852.40/x
  3. Step 3: Cross multiply
    1,405,817,857,695.60x = 2,108,726,786,543.40 × 463,561,343,852.40
  4. Step 4: Simplify right side
    1,405,817,857,695.60x = 977,524,222,987,611,532,165,120
  5. Step 5: Solve for x
    x = 977,524,222,987,611,532,165,120/1,405,817,857,695.60
  6. Step 6: Final answer
    x = 695,342,015,778.60

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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.