Home / 745,988,732.60-1,118,740,962.45-247,865,474.75

Finding the Fourth Proportional to 745,988,732.60, 1,118,740,962.45 and 247,865,474.75

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Solution

The fourth proportional to 745,988,732.60, 1,118,740,962.45 and 247,865,474.75 is: 371,717,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,988,732.60 : 1,118,740,962.45 = 247,865,474.75 : x
  2. Step 2: Convert to fraction form
    745,988,732.60/1,118,740,962.45 = 247,865,474.75/x
  3. Step 3: Cross multiply
    745,988,732.60x = 1,118,740,962.45 × 247,865,474.75
  4. Step 4: Simplify right side
    745,988,732.60x = 277,297,259,775,264,608
  5. Step 5: Solve for x
    x = 277,297,259,775,264,608/745,988,732.60
  6. Step 6: Final answer
    x = 371,717,758.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.