Home / 972,068,865.71-1,341,310,729.70-590,392,283.36

Finding the Fourth Proportional to 972,068,865.71, 1,341,310,729.70 and 590,392,283.36

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Solution

The fourth proportional to 972,068,865.71, 1,341,310,729.70 and 590,392,283.36 is: 814,653,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,068,865.71 : 1,341,310,729.70 = 590,392,283.36 : x
  2. Step 2: Convert to fraction form
    972,068,865.71/1,341,310,729.70 = 590,392,283.36/x
  3. Step 3: Cross multiply
    972,068,865.71x = 1,341,310,729.70 × 590,392,283.36
  4. Step 4: Simplify right side
    972,068,865.71x = 791,899,504,401,600,640
  5. Step 5: Solve for x
    x = 791,899,504,401,600,640/972,068,865.71
  6. Step 6: Final answer
    x = 814,653,706.48

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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.