Home / 680,918,453.80-1,021,377,680.70-465,927,605.80

Finding the Fourth Proportional to 680,918,453.80, 1,021,377,680.70 and 465,927,605.80

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Solution

The fourth proportional to 680,918,453.80, 1,021,377,680.70 and 465,927,605.80 is: 698,891,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,918,453.80 : 1,021,377,680.70 = 465,927,605.80 : x
  2. Step 2: Convert to fraction form
    680,918,453.80/1,021,377,680.70 = 465,927,605.80/x
  3. Step 3: Cross multiply
    680,918,453.80x = 1,021,377,680.70 × 465,927,605.80
  4. Step 4: Simplify right side
    680,918,453.80x = 475,888,057,386,107,904
  5. Step 5: Solve for x
    x = 475,888,057,386,107,904/680,918,453.80
  6. Step 6: Final answer
    x = 698,891,408.70

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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.