Home / 502,811,235.87-693,486,412.35-326,655,988.43

Finding the Fourth Proportional to 502,811,235.87, 693,486,412.35 and 326,655,988.43

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Solution

The fourth proportional to 502,811,235.87, 693,486,412.35 and 326,655,988.43 is: 450,529,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,811,235.87 : 693,486,412.35 = 326,655,988.43 : x
  2. Step 2: Convert to fraction form
    502,811,235.87/693,486,412.35 = 326,655,988.43/x
  3. Step 3: Cross multiply
    502,811,235.87x = 693,486,412.35 × 326,655,988.43
  4. Step 4: Simplify right side
    502,811,235.87x = 226,531,489,488,179,424
  5. Step 5: Solve for x
    x = 226,531,489,488,179,424/502,811,235.87
  6. Step 6: Final answer
    x = 450,529,887.41

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Double scale
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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.