Home / 1,392,221,000,164.40-1,921,265,072,616.60-774,910,470,417.73

Finding the Fourth Proportional to 1,392,221,000,164.40, 1,921,265,072,616.60 and 774,910,470,417.73

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Solution

The fourth proportional to 1,392,221,000,164.40, 1,921,265,072,616.60 and 774,910,470,417.73 is: 1,069,376,500,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,221,000,164.40 : 1,921,265,072,616.60 = 774,910,470,417.73 : x
  2. Step 2: Convert to fraction form
    1,392,221,000,164.40/1,921,265,072,616.60 = 774,910,470,417.73/x
  3. Step 3: Cross multiply
    1,392,221,000,164.40x = 1,921,265,072,616.60 × 774,910,470,417.73
  4. Step 4: Simplify right side
    1,392,221,000,164.40x = 1,488,808,421,218,483,643,088,896
  5. Step 5: Solve for x
    x = 1,488,808,421,218,483,643,088,896/1,392,221,000,164.40
  6. Step 6: Final answer
    x = 1,069,376,500,600.61

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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.