Home / 28,573,947,629.64-39,434,256,501.12-17,142,946,668.36

Finding the Fourth Proportional to 28,573,947,629.64, 39,434,256,501.12 and 17,142,946,668.36

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Solution

The fourth proportional to 28,573,947,629.64, 39,434,256,501.12 and 17,142,946,668.36 is: 23,658,591,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573,947,629.64 : 39,434,256,501.12 = 17,142,946,668.36 : x
  2. Step 2: Convert to fraction form
    28,573,947,629.64/39,434,256,501.12 = 17,142,946,668.36/x
  3. Step 3: Cross multiply
    28,573,947,629.64x = 39,434,256,501.12 × 17,142,946,668.36
  4. Step 4: Simplify right side
    28,573,947,629.64x = 676,019,356,105,128,804,352
  5. Step 5: Solve for x
    x = 676,019,356,105,128,804,352/28,573,947,629.64
  6. Step 6: Final answer
    x = 23,658,591,555.75

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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.