Home / 77,771,508,247.47-107,341,947,007.23-47,281,213,063.23

Finding the Fourth Proportional to 77,771,508,247.47, 107,341,947,007.23 and 47,281,213,063.23

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Solution

The fourth proportional to 77,771,508,247.47, 107,341,947,007.23 and 47,281,213,063.23 is: 65,258,570,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,508,247.47 : 107,341,947,007.23 = 47,281,213,063.23 : x
  2. Step 2: Convert to fraction form
    77,771,508,247.47/107,341,947,007.23 = 47,281,213,063.23/x
  3. Step 3: Cross multiply
    77,771,508,247.47x = 107,341,947,007.23 × 47,281,213,063.23
  4. Step 4: Simplify right side
    77,771,508,247.47x = 5,075,257,467,070,785,257,472
  5. Step 5: Solve for x
    x = 5,075,257,467,070,785,257,472/77,771,508,247.47
  6. Step 6: Final answer
    x = 65,258,570,669.88

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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.