Home / 1,329,696,565.40-1,994,544,848.10-1,302,486,786.20

Finding the Fourth Proportional to 1,329,696,565.40, 1,994,544,848.10 and 1,302,486,786.20

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Solution

The fourth proportional to 1,329,696,565.40, 1,994,544,848.10 and 1,302,486,786.20 is: 1,953,730,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,565.40 : 1,994,544,848.10 = 1,302,486,786.20 : x
  2. Step 2: Convert to fraction form
    1,329,696,565.40/1,994,544,848.10 = 1,302,486,786.20/x
  3. Step 3: Cross multiply
    1,329,696,565.40x = 1,994,544,848.10 × 1,302,486,786.20
  4. Step 4: Simplify right side
    1,329,696,565.40x = 2,597,868,309,133,536,256
  5. Step 5: Solve for x
    x = 2,597,868,309,133,536,256/1,329,696,565.40
  6. Step 6: Final answer
    x = 1,953,730,179.30

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Double scale
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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.