Home / 1,231,298,022.02-1,699,192,909.44-666,783,877.82

Finding the Fourth Proportional to 1,231,298,022.02, 1,699,192,909.44 and 666,783,877.82

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Solution

The fourth proportional to 1,231,298,022.02, 1,699,192,909.44 and 666,783,877.82 is: 920,162,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,298,022.02 : 1,699,192,909.44 = 666,783,877.82 : x
  2. Step 2: Convert to fraction form
    1,231,298,022.02/1,699,192,909.44 = 666,783,877.82/x
  3. Step 3: Cross multiply
    1,231,298,022.02x = 1,699,192,909.44 × 666,783,877.82
  4. Step 4: Simplify right side
    1,231,298,022.02x = 1,132,994,437,320,651,392
  5. Step 5: Solve for x
    x = 1,132,994,437,320,651,392/1,231,298,022.02
  6. Step 6: Final answer
    x = 920,162,638.99

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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.