Home / 407,818,707.25-562,691,643.61-238,176,740.59

Finding the Fourth Proportional to 407,818,707.25, 562,691,643.61 and 238,176,740.59

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Solution

The fourth proportional to 407,818,707.25, 562,691,643.61 and 238,176,740.59 is: 328,626,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,818,707.25 : 562,691,643.61 = 238,176,740.59 : x
  2. Step 2: Convert to fraction form
    407,818,707.25/562,691,643.61 = 238,176,740.59/x
  3. Step 3: Cross multiply
    407,818,707.25x = 562,691,643.61 × 238,176,740.59
  4. Step 4: Simplify right side
    407,818,707.25x = 134,020,061,632,259,712
  5. Step 5: Solve for x
    x = 134,020,061,632,259,712/407,818,707.25
  6. Step 6: Final answer
    x = 328,626,566.78

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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.