Home / 12,895,066,486.40-19,310,351,102.40-10,315,176,310.40

Finding the Fourth Proportional to 12,895,066,486.40, 19,310,351,102.40 and 10,315,176,310.40

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Solution

The fourth proportional to 12,895,066,486.40, 19,310,351,102.40 and 10,315,176,310.40 is: 15,446,967,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,066,486.40 : 19,310,351,102.40 = 10,315,176,310.40 : x
  2. Step 2: Convert to fraction form
    12,895,066,486.40/19,310,351,102.40 = 10,315,176,310.40/x
  3. Step 3: Cross multiply
    12,895,066,486.40x = 19,310,351,102.40 × 10,315,176,310.40
  4. Step 4: Simplify right side
    12,895,066,486.40x = 199,189,676,236,983,009,280
  5. Step 5: Solve for x
    x = 199,189,676,236,983,009,280/12,895,066,486.40
  6. Step 6: Final answer
    x = 15,446,967,756.78

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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.