Home / 971,550,078.73-1,340,623,889.88-548,139,055.93

Finding the Fourth Proportional to 971,550,078.73, 1,340,623,889.88 and 548,139,055.93

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Solution

The fourth proportional to 971,550,078.73, 1,340,623,889.88 and 548,139,055.93 is: 756,366,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,550,078.73 : 1,340,623,889.88 = 548,139,055.93 : x
  2. Step 2: Convert to fraction form
    971,550,078.73/1,340,623,889.88 = 548,139,055.93/x
  3. Step 3: Cross multiply
    971,550,078.73x = 1,340,623,889.88 × 548,139,055.93
  4. Step 4: Simplify right side
    971,550,078.73x = 734,848,313,356,027,520
  5. Step 5: Solve for x
    x = 734,848,313,356,027,520/971,550,078.73
  6. Step 6: Final answer
    x = 756,366,891.88

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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.