Home / 34,508,818,758.32-51,768,403,853.89-12,120,621,068.45

Finding the Fourth Proportional to 34,508,818,758.32, 51,768,403,853.89 and 12,120,621,068.45

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Solution

The fourth proportional to 34,508,818,758.32, 51,768,403,853.89 and 12,120,621,068.45 is: 18,182,749,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508,818,758.32 : 51,768,403,853.89 = 12,120,621,068.45 : x
  2. Step 2: Convert to fraction form
    34,508,818,758.32/51,768,403,853.89 = 12,120,621,068.45/x
  3. Step 3: Cross multiply
    34,508,818,758.32x = 51,768,403,853.89 × 12,120,621,068.45
  4. Step 4: Simplify right side
    34,508,818,758.32x = 627,465,206,431,426,805,760
  5. Step 5: Solve for x
    x = 627,465,206,431,426,805,760/34,508,818,758.32
  6. Step 6: Final answer
    x = 18,182,749,482.85

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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.