Home / 12,358,779,187.77-18,538,168,781.52-3,634,643,731.77

Finding the Fourth Proportional to 12,358,779,187.77, 18,538,168,781.52 and 3,634,643,731.77

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Solution

The fourth proportional to 12,358,779,187.77, 18,538,168,781.52 and 3,634,643,731.77 is: 5,451,965,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,779,187.77 : 18,538,168,781.52 = 3,634,643,731.77 : x
  2. Step 2: Convert to fraction form
    12,358,779,187.77/18,538,168,781.52 = 3,634,643,731.77/x
  3. Step 3: Cross multiply
    12,358,779,187.77x = 18,538,168,781.52 × 3,634,643,731.77
  4. Step 4: Simplify right side
    12,358,779,187.77x = 67,379,638,960,245,964,800
  5. Step 5: Solve for x
    x = 67,379,638,960,245,964,800/12,358,779,187.77
  6. Step 6: Final answer
    x = 5,451,965,597.62

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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.