Home / 622,650,118-859,267,376.82-371,776,430.18

Finding the Fourth Proportional to 622,650,118, 859,267,376.82 and 371,776,430.18

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Solution

The fourth proportional to 622,650,118, 859,267,376.82 and 371,776,430.18 is: 513,057,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,650,118 : 859,267,376.82 = 371,776,430.18 : x
  2. Step 2: Convert to fraction form
    622,650,118/859,267,376.82 = 371,776,430.18/x
  3. Step 3: Cross multiply
    622,650,118x = 859,267,376.82 × 371,776,430.18
  4. Step 4: Simplify right side
    622,650,118x = 319,455,357,924,272,512
  5. Step 5: Solve for x
    x = 319,455,357,924,272,512/622,650,118
  6. Step 6: Final answer
    x = 513,057,572.29

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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.