Home / 907,098,137.63-1,251,127,046.00-684,089,206.55

Finding the Fourth Proportional to 907,098,137.63, 1,251,127,046.00 and 684,089,206.55

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Solution

The fourth proportional to 907,098,137.63, 1,251,127,046.00 and 684,089,206.55 is: 943,539,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,098,137.63 : 1,251,127,046.00 = 684,089,206.55 : x
  2. Step 2: Convert to fraction form
    907,098,137.63/1,251,127,046.00 = 684,089,206.55/x
  3. Step 3: Cross multiply
    907,098,137.63x = 1,251,127,046.00 × 684,089,206.55
  4. Step 4: Simplify right side
    907,098,137.63x = 855,882,508,186,839,936
  5. Step 5: Solve for x
    x = 855,882,508,186,839,936/907,098,137.63
  6. Step 6: Final answer
    x = 943,539,042.45

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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.