Home / 727,147,199.39-1,003,487,897.75-430,044,124.19

Finding the Fourth Proportional to 727,147,199.39, 1,003,487,897.75 and 430,044,124.19

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Solution

The fourth proportional to 727,147,199.39, 1,003,487,897.75 and 430,044,124.19 is: 593,475,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,147,199.39 : 1,003,487,897.75 = 430,044,124.19 : x
  2. Step 2: Convert to fraction form
    727,147,199.39/1,003,487,897.75 = 430,044,124.19/x
  3. Step 3: Cross multiply
    727,147,199.39x = 1,003,487,897.75 × 430,044,124.19
  4. Step 4: Simplify right side
    727,147,199.39x = 431,544,074,115,995,392
  5. Step 5: Solve for x
    x = 431,544,074,115,995,392/727,147,199.39
  6. Step 6: Final answer
    x = 593,475,536.29

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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.