Home / 407,748,972.72-562,675,430.88-238,218,924

Finding the Fourth Proportional to 407,748,972.72, 562,675,430.88 and 238,218,924

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Solution

The fourth proportional to 407,748,972.72, 562,675,430.88 and 238,218,924 is: 328,731,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748,972.72 : 562,675,430.88 = 238,218,924 : x
  2. Step 2: Convert to fraction form
    407,748,972.72/562,675,430.88 = 238,218,924/x
  3. Step 3: Cross multiply
    407,748,972.72x = 562,675,430.88 × 238,218,924
  4. Step 4: Simplify right side
    407,748,972.72x = 134,039,935,705,469,968
  5. Step 5: Solve for x
    x = 134,039,935,705,469,968/407,748,972.72
  6. Step 6: Final answer
    x = 328,731,510.50

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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.