Home / 218,781,739,947-328,548,168,978.66-134,287,692,110.76

Finding the Fourth Proportional to 218,781,739,947, 328,548,168,978.66 and 134,287,692,110.76

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Solution

The fourth proportional to 218,781,739,947, 328,548,168,978.66 and 134,287,692,110.76 is: 201,662,055,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,781,739,947 : 328,548,168,978.66 = 134,287,692,110.76 : x
  2. Step 2: Convert to fraction form
    218,781,739,947/328,548,168,978.66 = 134,287,692,110.76/x
  3. Step 3: Cross multiply
    218,781,739,947x = 328,548,168,978.66 × 134,287,692,110.76
  4. Step 4: Simplify right side
    218,781,739,947x = 44,119,975,359,360,240,975,872
  5. Step 5: Solve for x
    x = 44,119,975,359,360,240,975,872/218,781,739,947
  6. Step 6: Final answer
    x = 201,662,055,389.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.