Home / 1,261,684,902.10-1,741,224,417.27-718,548,811.84

Finding the Fourth Proportional to 1,261,684,902.10, 1,741,224,417.27 and 718,548,811.84

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Solution

The fourth proportional to 1,261,684,902.10, 1,741,224,417.27 and 718,548,811.84 is: 991,653,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,684,902.10 : 1,741,224,417.27 = 718,548,811.84 : x
  2. Step 2: Convert to fraction form
    1,261,684,902.10/1,741,224,417.27 = 718,548,811.84/x
  3. Step 3: Cross multiply
    1,261,684,902.10x = 1,741,224,417.27 × 718,548,811.84
  4. Step 4: Simplify right side
    1,261,684,902.10x = 1,251,154,736,176,154,880
  5. Step 5: Solve for x
    x = 1,251,154,736,176,154,880/1,261,684,902.10
  6. Step 6: Final answer
    x = 991,653,886.08

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Double scale
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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.