Home / 410,479,506,938.82-615,288,250,044-138,109,196,109.84

Finding the Fourth Proportional to 410,479,506,938.82, 615,288,250,044 and 138,109,196,109.84

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Solution

The fourth proportional to 410,479,506,938.82, 615,288,250,044 and 138,109,196,109.84 is: 207,018,777,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,479,506,938.82 : 615,288,250,044 = 138,109,196,109.84 : x
  2. Step 2: Convert to fraction form
    410,479,506,938.82/615,288,250,044 = 138,109,196,109.84/x
  3. Step 3: Cross multiply
    410,479,506,938.82x = 615,288,250,044 × 138,109,196,109.84
  4. Step 4: Simplify right side
    410,479,506,938.82x = 84,976,965,589,407,069,372,416
  5. Step 5: Solve for x
    x = 84,976,965,589,407,069,372,416/410,479,506,938.82
  6. Step 6: Final answer
    x = 207,018,777,193.36

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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.