Home / 456,484,986.18-684,301,494.72-180,138,488.77

Finding the Fourth Proportional to 456,484,986.18, 684,301,494.72 and 180,138,488.77

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Solution

The fourth proportional to 456,484,986.18, 684,301,494.72 and 180,138,488.77 is: 270,039,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,484,986.18 : 684,301,494.72 = 180,138,488.77 : x
  2. Step 2: Convert to fraction form
    456,484,986.18/684,301,494.72 = 180,138,488.77/x
  3. Step 3: Cross multiply
    456,484,986.18x = 684,301,494.72 × 180,138,488.77
  4. Step 4: Simplify right side
    456,484,986.18x = 123,269,037,121,912,944
  5. Step 5: Solve for x
    x = 123,269,037,121,912,944/456,484,986.18
  6. Step 6: Final answer
    x = 270,039,630.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.