Home / 30,319,473,005.85-45,479,209,508.78-30,319,473,005.85

Finding the Fourth Proportional to 30,319,473,005.85, 45,479,209,508.78 and 30,319,473,005.85

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Solution

The fourth proportional to 30,319,473,005.85, 45,479,209,508.78 and 30,319,473,005.85 is: 45,479,209,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,473,005.85 : 45,479,209,508.78 = 30,319,473,005.85 : x
  2. Step 2: Convert to fraction form
    30,319,473,005.85/45,479,209,508.78 = 30,319,473,005.85/x
  3. Step 3: Cross multiply
    30,319,473,005.85x = 45,479,209,508.78 × 30,319,473,005.85
  4. Step 4: Simplify right side
    30,319,473,005.85x = 1,378,905,665,028,700,241,920
  5. Step 5: Solve for x
    x = 1,378,905,665,028,700,241,920/30,319,473,005.85
  6. Step 6: Final answer
    x = 45,479,209,508.78

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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.