Home / 712,610,201.57-983,052,620.93-618,392,109.24

Finding the Fourth Proportional to 712,610,201.57, 983,052,620.93 and 618,392,109.24

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Solution

The fourth proportional to 712,610,201.57, 983,052,620.93 and 618,392,109.24 is: 853,077,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,610,201.57 : 983,052,620.93 = 618,392,109.24 : x
  2. Step 2: Convert to fraction form
    712,610,201.57/983,052,620.93 = 618,392,109.24/x
  3. Step 3: Cross multiply
    712,610,201.57x = 983,052,620.93 × 618,392,109.24
  4. Step 4: Simplify right side
    712,610,201.57x = 607,911,983,752,358,912
  5. Step 5: Solve for x
    x = 607,911,983,752,358,912/712,610,201.57
  6. Step 6: Final answer
    x = 853,077,857.18

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1.5x scale

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.