Home / 456,484,984.18-684,301,491.72-180,138,486.77

Finding the Fourth Proportional to 456,484,984.18, 684,301,491.72 and 180,138,486.77

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Solution

The fourth proportional to 456,484,984.18, 684,301,491.72 and 180,138,486.77 is: 270,039,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,484,984.18 : 684,301,491.72 = 180,138,486.77 : x
  2. Step 2: Convert to fraction form
    456,484,984.18/684,301,491.72 = 180,138,486.77/x
  3. Step 3: Cross multiply
    456,484,984.18x = 684,301,491.72 × 180,138,486.77
  4. Step 4: Simplify right side
    456,484,984.18x = 123,269,035,212,894,496
  5. Step 5: Solve for x
    x = 123,269,035,212,894,496/456,484,984.18
  6. Step 6: Final answer
    x = 270,039,627.78

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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.