Home / 12,358,696,598.10-18,538,044,897.15-11,004,254,255.70

Finding the Fourth Proportional to 12,358,696,598.10, 18,538,044,897.15 and 11,004,254,255.70

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Solution

The fourth proportional to 12,358,696,598.10, 18,538,044,897.15 and 11,004,254,255.70 is: 16,506,381,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,696,598.10 : 18,538,044,897.15 = 11,004,254,255.70 : x
  2. Step 2: Convert to fraction form
    12,358,696,598.10/18,538,044,897.15 = 11,004,254,255.70/x
  3. Step 3: Cross multiply
    12,358,696,598.10x = 18,538,044,897.15 × 11,004,254,255.70
  4. Step 4: Simplify right side
    12,358,696,598.10x = 203,997,359,451,820,589,056
  5. Step 5: Solve for x
    x = 203,997,359,451,820,589,056/12,358,696,598.10
  6. Step 6: Final answer
    x = 16,506,381,383.55

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Double scale
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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.