Home / 889,048,216.14-1,226,870,630.79-492,563,253.66

Finding the Fourth Proportional to 889,048,216.14, 1,226,870,630.79 and 492,563,253.66

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Solution

The fourth proportional to 889,048,216.14, 1,226,870,630.79 and 492,563,253.66 is: 679,728,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,048,216.14 : 1,226,870,630.79 = 492,563,253.66 : x
  2. Step 2: Convert to fraction form
    889,048,216.14/1,226,870,630.79 = 492,563,253.66/x
  3. Step 3: Cross multiply
    889,048,216.14x = 1,226,870,630.79 × 492,563,253.66
  4. Step 4: Simplify right side
    889,048,216.14x = 604,311,389,721,819,008
  5. Step 5: Solve for x
    x = 604,311,389,721,819,008/889,048,216.14
  6. Step 6: Final answer
    x = 679,728,476.76

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Double scale
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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.