Home / 1,666,460,965.35-2,500,247,123.87-1,108,422,765.77

Finding the Fourth Proportional to 1,666,460,965.35, 2,500,247,123.87 and 1,108,422,765.77

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Solution

The fourth proportional to 1,666,460,965.35, 2,500,247,123.87 and 1,108,422,765.77 is: 1,663,003,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,460,965.35 : 2,500,247,123.87 = 1,108,422,765.77 : x
  2. Step 2: Convert to fraction form
    1,666,460,965.35/2,500,247,123.87 = 1,108,422,765.77/x
  3. Step 3: Cross multiply
    1,666,460,965.35x = 2,500,247,123.87 × 1,108,422,765.77
  4. Step 4: Simplify right side
    1,666,460,965.35x = 2,771,330,832,130,429,952
  5. Step 5: Solve for x
    x = 2,771,330,832,130,429,952/1,666,460,965.35
  6. Step 6: Final answer
    x = 1,663,003,748.51

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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.