Home / 37,518,196,857.51-51,776,011,200.87-20,371,772,826.57

Finding the Fourth Proportional to 37,518,196,857.51, 51,776,011,200.87 and 20,371,772,826.57

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Solution

The fourth proportional to 37,518,196,857.51, 51,776,011,200.87 and 20,371,772,826.57 is: 28,113,534,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518,196,857.51 : 51,776,011,200.87 = 20,371,772,826.57 : x
  2. Step 2: Convert to fraction form
    37,518,196,857.51/51,776,011,200.87 = 20,371,772,826.57/x
  3. Step 3: Cross multiply
    37,518,196,857.51x = 51,776,011,200.87 × 20,371,772,826.57
  4. Step 4: Simplify right side
    37,518,196,857.51x = 1,054,769,138,050,067,464,192
  5. Step 5: Solve for x
    x = 1,054,769,138,050,067,464,192/37,518,196,857.51
  6. Step 6: Final answer
    x = 28,113,534,934.95

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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.