Home / 15,642,606,601.32-21,587,206,234.14-8,506,437,780.48

Finding the Fourth Proportional to 15,642,606,601.32, 21,587,206,234.14 and 8,506,437,780.48

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Solution

The fourth proportional to 15,642,606,601.32, 21,587,206,234.14 and 8,506,437,780.48 is: 11,739,106,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,606,601.32 : 21,587,206,234.14 = 8,506,437,780.48 : x
  2. Step 2: Convert to fraction form
    15,642,606,601.32/21,587,206,234.14 = 8,506,437,780.48/x
  3. Step 3: Cross multiply
    15,642,606,601.32x = 21,587,206,234.14 × 8,506,437,780.48
  4. Step 4: Simplify right side
    15,642,606,601.32x = 183,630,226,685,101,867,008
  5. Step 5: Solve for x
    x = 183,630,226,685,101,867,008/15,642,606,601.32
  6. Step 6: Final answer
    x = 11,739,106,618.56

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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.