Home / 12,993,549,863.35-19,456,758,031-8,967,702,878.76

Finding the Fourth Proportional to 12,993,549,863.35, 19,456,758,031 and 8,967,702,878.76

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Solution

The fourth proportional to 12,993,549,863.35, 19,456,758,031 and 8,967,702,878.76 is: 13,428,387,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,549,863.35 : 19,456,758,031 = 8,967,702,878.76 : x
  2. Step 2: Convert to fraction form
    12,993,549,863.35/19,456,758,031 = 8,967,702,878.76/x
  3. Step 3: Cross multiply
    12,993,549,863.35x = 19,456,758,031 × 8,967,702,878.76
  4. Step 4: Simplify right side
    12,993,549,863.35x = 174,482,425,005,935,460,352
  5. Step 5: Solve for x
    x = 174,482,425,005,935,460,352/12,993,549,863.35
  6. Step 6: Final answer
    x = 13,428,387,687.81

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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.