Home / 1,351,844,853.54-1,864,951,633.54-815,697,461.94

Finding the Fourth Proportional to 1,351,844,853.54, 1,864,951,633.54 and 815,697,461.94

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Solution

The fourth proportional to 1,351,844,853.54, 1,864,951,633.54 and 815,697,461.94 is: 1,125,303,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,844,853.54 : 1,864,951,633.54 = 815,697,461.94 : x
  2. Step 2: Convert to fraction form
    1,351,844,853.54/1,864,951,633.54 = 815,697,461.94/x
  3. Step 3: Cross multiply
    1,351,844,853.54x = 1,864,951,633.54 × 815,697,461.94
  4. Step 4: Simplify right side
    1,351,844,853.54x = 1,521,236,314,119,435,008
  5. Step 5: Solve for x
    x = 1,521,236,314,119,435,008/1,351,844,853.54
  6. Step 6: Final answer
    x = 1,125,303,920.89

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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.