Home / 816,587,842,926.15-1,126,885,490,611.30-445,791,260,860.35

Finding the Fourth Proportional to 816,587,842,926.15, 1,126,885,490,611.30 and 445,791,260,860.35

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Solution

The fourth proportional to 816,587,842,926.15, 1,126,885,490,611.30 and 445,791,260,860.35 is: 615,188,810,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587,842,926.15 : 1,126,885,490,611.30 = 445,791,260,860.35 : x
  2. Step 2: Convert to fraction form
    816,587,842,926.15/1,126,885,490,611.30 = 445,791,260,860.35/x
  3. Step 3: Cross multiply
    816,587,842,926.15x = 1,126,885,490,611.30 × 445,791,260,860.35
  4. Step 4: Simplify right side
    816,587,842,926.15x = 502,355,703,704,845,497,139,200
  5. Step 5: Solve for x
    x = 502,355,703,704,845,497,139,200/816,587,842,926.15
  6. Step 6: Final answer
    x = 615,188,810,434.30

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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.