Home / 420,631,253.13-580,440,718.60-232,457,295.25

Finding the Fourth Proportional to 420,631,253.13, 580,440,718.60 and 232,457,295.25

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Solution

The fourth proportional to 420,631,253.13, 580,440,718.60 and 232,457,295.25 is: 320,774,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,631,253.13 : 580,440,718.60 = 232,457,295.25 : x
  2. Step 2: Convert to fraction form
    420,631,253.13/580,440,718.60 = 232,457,295.25/x
  3. Step 3: Cross multiply
    420,631,253.13x = 580,440,718.60 × 232,457,295.25
  4. Step 4: Simplify right side
    420,631,253.13x = 134,927,679,498,860,960
  5. Step 5: Solve for x
    x = 134,927,679,498,860,960/420,631,253.13
  6. Step 6: Final answer
    x = 320,774,261.29

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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.