Home / 380,320,035.06-525,333,975.32-314,506,381.62

Finding the Fourth Proportional to 380,320,035.06, 525,333,975.32 and 314,506,381.62

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Solution

The fourth proportional to 380,320,035.06, 525,333,975.32 and 314,506,381.62 is: 434,425,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,320,035.06 : 525,333,975.32 = 314,506,381.62 : x
  2. Step 2: Convert to fraction form
    380,320,035.06/525,333,975.32 = 314,506,381.62/x
  3. Step 3: Cross multiply
    380,320,035.06x = 525,333,975.32 × 314,506,381.62
  4. Step 4: Simplify right side
    380,320,035.06x = 165,220,887,717,976,800
  5. Step 5: Solve for x
    x = 165,220,887,717,976,800/380,320,035.06
  6. Step 6: Final answer
    x = 434,425,937.34

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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.