Home / 1,520,808,451.34-2,098,355,918.64-860,758,729.34

Finding the Fourth Proportional to 1,520,808,451.34, 2,098,355,918.64 and 860,758,729.34

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Solution

The fourth proportional to 1,520,808,451.34, 2,098,355,918.64 and 860,758,729.34 is: 1,187,643,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,808,451.34 : 2,098,355,918.64 = 860,758,729.34 : x
  2. Step 2: Convert to fraction form
    1,520,808,451.34/2,098,355,918.64 = 860,758,729.34/x
  3. Step 3: Cross multiply
    1,520,808,451.34x = 2,098,355,918.64 × 860,758,729.34
  4. Step 4: Simplify right side
    1,520,808,451.34x = 1,806,178,174,231,634,944
  5. Step 5: Solve for x
    x = 1,806,178,174,231,634,944/1,520,808,451.34
  6. Step 6: Final answer
    x = 1,187,643,435.73

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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.