Home / 421,604,313.74-581,832,134.75-233,432,611.20

Finding the Fourth Proportional to 421,604,313.74, 581,832,134.75 and 233,432,611.20

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Solution

The fourth proportional to 421,604,313.74, 581,832,134.75 and 233,432,611.20 is: 322,147,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,313.74 : 581,832,134.75 = 233,432,611.20 : x
  2. Step 2: Convert to fraction form
    421,604,313.74/581,832,134.75 = 233,432,611.20/x
  3. Step 3: Cross multiply
    421,604,313.74x = 581,832,134.75 × 233,432,611.20
  4. Step 4: Simplify right side
    421,604,313.74x = 135,818,594,490,686,432
  5. Step 5: Solve for x
    x = 135,818,594,490,686,432/421,604,313.74
  6. Step 6: Final answer
    x = 322,147,070.29

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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.