Home / 256,465,187,086.32-353,774,914,503.84-159,953,717,763.72

Finding the Fourth Proportional to 256,465,187,086.32, 353,774,914,503.84 and 159,953,717,763.72

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Solution

The fourth proportional to 256,465,187,086.32, 353,774,914,503.84 and 159,953,717,763.72 is: 220,644,421,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,465,187,086.32 : 353,774,914,503.84 = 159,953,717,763.72 : x
  2. Step 2: Convert to fraction form
    256,465,187,086.32/353,774,914,503.84 = 159,953,717,763.72/x
  3. Step 3: Cross multiply
    256,465,187,086.32x = 353,774,914,503.84 × 159,953,717,763.72
  4. Step 4: Simplify right side
    256,465,187,086.32x = 56,587,612,826,431,402,278,912
  5. Step 5: Solve for x
    x = 56,587,612,826,431,402,278,912/256,465,187,086.32
  6. Step 6: Final answer
    x = 220,644,421,448.85

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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.