Home / 421,604,072.58-581,831,801.58-233,432,370.05

Finding the Fourth Proportional to 421,604,072.58, 581,831,801.58 and 233,432,370.05

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Solution

The fourth proportional to 421,604,072.58, 581,831,801.58 and 233,432,370.05 is: 322,146,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,072.58 : 581,831,801.58 = 233,432,370.05 : x
  2. Step 2: Convert to fraction form
    421,604,072.58/581,831,801.58 = 233,432,370.05/x
  3. Step 3: Cross multiply
    421,604,072.58x = 581,831,801.58 × 233,432,370.05
  4. Step 4: Simplify right side
    421,604,072.58x = 135,818,376,411,246,944
  5. Step 5: Solve for x
    x = 135,818,376,411,246,944/421,604,072.58
  6. Step 6: Final answer
    x = 322,146,737.29

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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.