Home / 622,852,826.64-859,131,897.68-399,480,700.96

Finding the Fourth Proportional to 622,852,826.64, 859,131,897.68 and 399,480,700.96

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Solution

The fourth proportional to 622,852,826.64, 859,131,897.68 and 399,480,700.96 is: 551,023,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,852,826.64 : 859,131,897.68 = 399,480,700.96 : x
  2. Step 2: Convert to fraction form
    622,852,826.64/859,131,897.68 = 399,480,700.96/x
  3. Step 3: Cross multiply
    622,852,826.64x = 859,131,897.68 × 399,480,700.96
  4. Step 4: Simplify right side
    622,852,826.64x = 343,206,612,696,744,768
  5. Step 5: Solve for x
    x = 343,206,612,696,744,768/622,852,826.64
  6. Step 6: Final answer
    x = 551,023,609.45

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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.