Home / 30,165,550,319.85-45,248,325,479.78-26,853,105,138.90

Finding the Fourth Proportional to 30,165,550,319.85, 45,248,325,479.78 and 26,853,105,138.90

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Solution

The fourth proportional to 30,165,550,319.85, 45,248,325,479.78 and 26,853,105,138.90 is: 40,279,657,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,550,319.85 : 45,248,325,479.78 = 26,853,105,138.90 : x
  2. Step 2: Convert to fraction form
    30,165,550,319.85/45,248,325,479.78 = 26,853,105,138.90/x
  3. Step 3: Cross multiply
    30,165,550,319.85x = 45,248,325,479.78 × 26,853,105,138.90
  4. Step 4: Simplify right side
    30,165,550,319.85x = 1,215,058,041,467,566,030,848
  5. Step 5: Solve for x
    x = 1,215,058,041,467,566,030,848/30,165,550,319.85
  6. Step 6: Final answer
    x = 40,279,657,708.35

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Double scale
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Similar ratio
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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.