Home / 426,546,386.46-588,636,190.01-238,377,820.89

Finding the Fourth Proportional to 426,546,386.46, 588,636,190.01 and 238,377,820.89

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Solution

The fourth proportional to 426,546,386.46, 588,636,190.01 and 238,377,820.89 is: 328,962,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,546,386.46 : 588,636,190.01 = 238,377,820.89 : x
  2. Step 2: Convert to fraction form
    426,546,386.46/588,636,190.01 = 238,377,820.89/x
  3. Step 3: Cross multiply
    426,546,386.46x = 588,636,190.01 × 238,377,820.89
  4. Step 4: Simplify right side
    426,546,386.46x = 140,317,812,270,383,888
  5. Step 5: Solve for x
    x = 140,317,812,270,383,888/426,546,386.46
  6. Step 6: Final answer
    x = 328,962,609.28

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1.5x scale

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.