Home / 426,546,386.22-588,636,189.68-238,377,820.65

Finding the Fourth Proportional to 426,546,386.22, 588,636,189.68 and 238,377,820.65

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Solution

The fourth proportional to 426,546,386.22, 588,636,189.68 and 238,377,820.65 is: 328,962,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,546,386.22 : 588,636,189.68 = 238,377,820.65 : x
  2. Step 2: Convert to fraction form
    426,546,386.22/588,636,189.68 = 238,377,820.65/x
  3. Step 3: Cross multiply
    426,546,386.22x = 588,636,189.68 × 238,377,820.65
  4. Step 4: Simplify right side
    426,546,386.22x = 140,317,812,050,446,528
  5. Step 5: Solve for x
    x = 140,317,812,050,446,528/426,546,386.22
  6. Step 6: Final answer
    x = 328,962,608.95

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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.