Home / 622,081,312.16-858,498,291.34-357,763,511.57

Finding the Fourth Proportional to 622,081,312.16, 858,498,291.34 and 357,763,511.57

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Solution

The fourth proportional to 622,081,312.16, 858,498,291.34 and 357,763,511.57 is: 493,728,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,081,312.16 : 858,498,291.34 = 357,763,511.57 : x
  2. Step 2: Convert to fraction form
    622,081,312.16/858,498,291.34 = 357,763,511.57/x
  3. Step 3: Cross multiply
    622,081,312.16x = 858,498,291.34 × 357,763,511.57
  4. Step 4: Simplify right side
    622,081,312.16x = 307,139,363,381,456,384
  5. Step 5: Solve for x
    x = 307,139,363,381,456,384/622,081,312.16
  6. Step 6: Final answer
    x = 493,728,645.08

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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.