Home / 442,920,010.10-664,380,015.15-417,410,842.10

Finding the Fourth Proportional to 442,920,010.10, 664,380,015.15 and 417,410,842.10

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Solution

The fourth proportional to 442,920,010.10, 664,380,015.15 and 417,410,842.10 is: 626,116,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,920,010.10 : 664,380,015.15 = 417,410,842.10 : x
  2. Step 2: Convert to fraction form
    442,920,010.10/664,380,015.15 = 417,410,842.10/x
  3. Step 3: Cross multiply
    442,920,010.10x = 664,380,015.15 × 417,410,842.10
  4. Step 4: Simplify right side
    442,920,010.10x = 277,319,421,598,172,256
  5. Step 5: Solve for x
    x = 277,319,421,598,172,256/442,920,010.10
  6. Step 6: Final answer
    x = 626,116,263.15

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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.