Home / 38,168,901,002.82-52,676,803,910.95-28,506,856,589.09

Finding the Fourth Proportional to 38,168,901,002.82, 52,676,803,910.95 and 28,506,856,589.09

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Solution

The fourth proportional to 38,168,901,002.82, 52,676,803,910.95 and 28,506,856,589.09 is: 39,342,240,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168,901,002.82 : 52,676,803,910.95 = 28,506,856,589.09 : x
  2. Step 2: Convert to fraction form
    38,168,901,002.82/52,676,803,910.95 = 28,506,856,589.09/x
  3. Step 3: Cross multiply
    38,168,901,002.82x = 52,676,803,910.95 × 28,506,856,589.09
  4. Step 4: Simplify right side
    38,168,901,002.82x = 1,501,650,094,661,066,817,536
  5. Step 5: Solve for x
    x = 1,501,650,094,661,066,817,536/38,168,901,002.82
  6. Step 6: Final answer
    x = 39,342,240,808.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.