Home / 1,400,891,792.76-2,101,341,678.33-404,993,895.35

Finding the Fourth Proportional to 1,400,891,792.76, 2,101,341,678.33 and 404,993,895.35

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Solution

The fourth proportional to 1,400,891,792.76, 2,101,341,678.33 and 404,993,895.35 is: 607,491,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,891,792.76 : 2,101,341,678.33 = 404,993,895.35 : x
  2. Step 2: Convert to fraction form
    1,400,891,792.76/2,101,341,678.33 = 404,993,895.35/x
  3. Step 3: Cross multiply
    1,400,891,792.76x = 2,101,341,678.33 × 404,993,895.35
  4. Step 4: Simplify right side
    1,400,891,792.76x = 851,030,551,757,666,688
  5. Step 5: Solve for x
    x = 851,030,551,757,666,688/1,400,891,792.76
  6. Step 6: Final answer
    x = 607,491,996.28

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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.