Home / 284,022,045,722.62-391,950,634,412.59-153,811,911,071.39

Finding the Fourth Proportional to 284,022,045,722.62, 391,950,634,412.59 and 153,811,911,071.39

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Solution

The fourth proportional to 284,022,045,722.62, 391,950,634,412.59 and 153,811,911,071.39 is: 212,260,551,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,022,045,722.62 : 391,950,634,412.59 = 153,811,911,071.39 : x
  2. Step 2: Convert to fraction form
    284,022,045,722.62/391,950,634,412.59 = 153,811,911,071.39/x
  3. Step 3: Cross multiply
    284,022,045,722.62x = 391,950,634,412.59 × 153,811,911,071.39
  4. Step 4: Simplify right side
    284,022,045,722.62x = 60,286,676,124,644,197,531,648
  5. Step 5: Solve for x
    x = 60,286,676,124,644,197,531,648/284,022,045,722.62
  6. Step 6: Final answer
    x = 212,260,551,716.19

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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.