Home / 712,610,190.03-983,052,604.80-618,392,097.30

Finding the Fourth Proportional to 712,610,190.03, 983,052,604.80 and 618,392,097.30

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Solution

The fourth proportional to 712,610,190.03, 983,052,604.80 and 618,392,097.30 is: 853,077,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,610,190.03 : 983,052,604.80 = 618,392,097.30 : x
  2. Step 2: Convert to fraction form
    712,610,190.03/983,052,604.80 = 618,392,097.30/x
  3. Step 3: Cross multiply
    712,610,190.03x = 983,052,604.80 × 618,392,097.30
  4. Step 4: Simplify right side
    712,610,190.03x = 607,911,962,038,499,968
  5. Step 5: Solve for x
    x = 607,911,962,038,499,968/712,610,190.03
  6. Step 6: Final answer
    x = 853,077,840.51

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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.