Home / 13,466,088,799.30-20,199,133,198.95-12,547,758,751.30

Finding the Fourth Proportional to 13,466,088,799.30, 20,199,133,198.95 and 12,547,758,751.30

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Solution

The fourth proportional to 13,466,088,799.30, 20,199,133,198.95 and 12,547,758,751.30 is: 18,821,638,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,088,799.30 : 20,199,133,198.95 = 12,547,758,751.30 : x
  2. Step 2: Convert to fraction form
    13,466,088,799.30/20,199,133,198.95 = 12,547,758,751.30/x
  3. Step 3: Cross multiply
    13,466,088,799.30x = 20,199,133,198.95 × 12,547,758,751.30
  4. Step 4: Simplify right side
    13,466,088,799.30x = 253,453,850,365,799,235,584
  5. Step 5: Solve for x
    x = 253,453,850,365,799,235,584/13,466,088,799.30
  6. Step 6: Final answer
    x = 18,821,638,126.95

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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.