Home / 1,174,501,303.05-1,620,415,147.58-665,809,479.78

Finding the Fourth Proportional to 1,174,501,303.05, 1,620,415,147.58 and 665,809,479.78

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Solution

The fourth proportional to 1,174,501,303.05, 1,620,415,147.58 and 665,809,479.78 is: 918,592,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,501,303.05 : 1,620,415,147.58 = 665,809,479.78 : x
  2. Step 2: Convert to fraction form
    1,174,501,303.05/1,620,415,147.58 = 665,809,479.78/x
  3. Step 3: Cross multiply
    1,174,501,303.05x = 1,620,415,147.58 × 665,809,479.78
  4. Step 4: Simplify right side
    1,174,501,303.05x = 1,078,887,766,438,313,472
  5. Step 5: Solve for x
    x = 1,078,887,766,438,313,472/1,174,501,303.05
  6. Step 6: Final answer
    x = 918,592,226.03

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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.