Home / 407,818,706.25-562,691,642.23-238,176,739.59

Finding the Fourth Proportional to 407,818,706.25, 562,691,642.23 and 238,176,739.59

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Solution

The fourth proportional to 407,818,706.25, 562,691,642.23 and 238,176,739.59 is: 328,626,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,818,706.25 : 562,691,642.23 = 238,176,739.59 : x
  2. Step 2: Convert to fraction form
    407,818,706.25/562,691,642.23 = 238,176,739.59/x
  3. Step 3: Cross multiply
    407,818,706.25x = 562,691,642.23 × 238,176,739.59
  4. Step 4: Simplify right side
    407,818,706.25x = 134,020,060,737,737,984
  5. Step 5: Solve for x
    x = 134,020,060,737,737,984/407,818,706.25
  6. Step 6: Final answer
    x = 328,626,565.39

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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.