Home / 25,378,264,256.58-38,043,728,659.53-8,578,386,572.58

Finding the Fourth Proportional to 25,378,264,256.58, 38,043,728,659.53 and 8,578,386,572.58

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Solution

The fourth proportional to 25,378,264,256.58, 38,043,728,659.53 and 8,578,386,572.58 is: 12,859,579,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,264,256.58 : 38,043,728,659.53 = 8,578,386,572.58 : x
  2. Step 2: Convert to fraction form
    25,378,264,256.58/38,043,728,659.53 = 8,578,386,572.58/x
  3. Step 3: Cross multiply
    25,378,264,256.58x = 38,043,728,659.53 × 8,578,386,572.58
  4. Step 4: Simplify right side
    25,378,264,256.58x = 326,353,811,103,789,088,768
  5. Step 5: Solve for x
    x = 326,353,811,103,789,088,768/25,378,264,256.58
  6. Step 6: Final answer
    x = 12,859,579,670.39

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1.5x scale

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.