Home / 12,788,244,533.61-19,088,700,678.84-11,278,596,028.14

Finding the Fourth Proportional to 12,788,244,533.61, 19,088,700,678.84 and 11,278,596,028.14

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Solution

The fourth proportional to 12,788,244,533.61, 19,088,700,678.84 and 11,278,596,028.14 is: 16,835,285,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,244,533.61 : 19,088,700,678.84 = 11,278,596,028.14 : x
  2. Step 2: Convert to fraction form
    12,788,244,533.61/19,088,700,678.84 = 11,278,596,028.14/x
  3. Step 3: Cross multiply
    12,788,244,533.61x = 19,088,700,678.84 × 11,278,596,028.14
  4. Step 4: Simplify right side
    12,788,244,533.61x = 215,293,743,658,763,255,808
  5. Step 5: Solve for x
    x = 215,293,743,658,763,255,808/12,788,244,533.61
  6. Step 6: Final answer
    x = 16,835,285,178.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.