Home / 1,389,622,294.96-2,084,500,479.48-456,924,491.68

Finding the Fourth Proportional to 1,389,622,294.96, 2,084,500,479.48 and 456,924,491.68

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Solution

The fourth proportional to 1,389,622,294.96, 2,084,500,479.48 and 456,924,491.68 is: 685,408,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,622,294.96 : 2,084,500,479.48 = 456,924,491.68 : x
  2. Step 2: Convert to fraction form
    1,389,622,294.96/2,084,500,479.48 = 456,924,491.68/x
  3. Step 3: Cross multiply
    1,389,622,294.96x = 2,084,500,479.48 × 456,924,491.68
  4. Step 4: Simplify right side
    1,389,622,294.96x = 952,459,321,993,115,264
  5. Step 5: Solve for x
    x = 952,459,321,993,115,264/1,389,622,294.96
  6. Step 6: Final answer
    x = 685,408,780.10

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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.