Home / 1,054,743,661.89-1,581,961,488.75-307,558,652.13

Finding the Fourth Proportional to 1,054,743,661.89, 1,581,961,488.75 and 307,558,652.13

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Solution

The fourth proportional to 1,054,743,661.89, 1,581,961,488.75 and 307,558,652.13 is: 461,293,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,743,661.89 : 1,581,961,488.75 = 307,558,652.13 : x
  2. Step 2: Convert to fraction form
    1,054,743,661.89/1,581,961,488.75 = 307,558,652.13/x
  3. Step 3: Cross multiply
    1,054,743,661.89x = 1,581,961,488.75 × 307,558,652.13
  4. Step 4: Simplify right side
    1,054,743,661.89x = 486,545,943,201,518,144
  5. Step 5: Solve for x
    x = 486,545,943,201,518,144/1,054,743,661.89
  6. Step 6: Final answer
    x = 461,293,071.28

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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.