Home / 552,930,998.74-763,047,378.98-302,038,871.32

Finding the Fourth Proportional to 552,930,998.74, 763,047,378.98 and 302,038,871.32

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Solution

The fourth proportional to 552,930,998.74, 763,047,378.98 and 302,038,871.32 is: 416,815,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,930,998.74 : 763,047,378.98 = 302,038,871.32 : x
  2. Step 2: Convert to fraction form
    552,930,998.74/763,047,378.98 = 302,038,871.32/x
  3. Step 3: Cross multiply
    552,930,998.74x = 763,047,378.98 × 302,038,871.32
  4. Step 4: Simplify right side
    552,930,998.74x = 230,469,969,105,478,080
  5. Step 5: Solve for x
    x = 230,469,969,105,478,080/552,930,998.74
  6. Step 6: Final answer
    x = 416,815,063.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.