Home / 450,285,788.93-621,400,733.91-259,441,332.03

Finding the Fourth Proportional to 450,285,788.93, 621,400,733.91 and 259,441,332.03

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Solution

The fourth proportional to 450,285,788.93, 621,400,733.91 and 259,441,332.03 is: 358,032,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,285,788.93 : 621,400,733.91 = 259,441,332.03 : x
  2. Step 2: Convert to fraction form
    450,285,788.93/621,400,733.91 = 259,441,332.03/x
  3. Step 3: Cross multiply
    450,285,788.93x = 621,400,733.91 × 259,441,332.03
  4. Step 4: Simplify right side
    450,285,788.93x = 161,217,034,130,029,984
  5. Step 5: Solve for x
    x = 161,217,034,130,029,984/450,285,788.93
  6. Step 6: Final answer
    x = 358,032,694.11

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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.