Home / 889,048,178.64-1,226,870,579.16-492,563,216.16

Finding the Fourth Proportional to 889,048,178.64, 1,226,870,579.16 and 492,563,216.16

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Solution

The fourth proportional to 889,048,178.64, 1,226,870,579.16 and 492,563,216.16 is: 679,728,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,048,178.64 : 1,226,870,579.16 = 492,563,216.16 : x
  2. Step 2: Convert to fraction form
    889,048,178.64/1,226,870,579.16 = 492,563,216.16/x
  3. Step 3: Cross multiply
    889,048,178.64x = 1,226,870,579.16 × 492,563,216.16
  4. Step 4: Simplify right side
    889,048,178.64x = 604,311,318,283,131,520
  5. Step 5: Solve for x
    x = 604,311,318,283,131,520/889,048,178.64
  6. Step 6: Final answer
    x = 679,728,425.08

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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.