Home / 1,771,549,328.60-2,444,690,708.78-978,578,240.88

Finding the Fourth Proportional to 1,771,549,328.60, 2,444,690,708.78 and 978,578,240.88

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Solution

The fourth proportional to 1,771,549,328.60, 2,444,690,708.78 and 978,578,240.88 is: 1,350,411,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,549,328.60 : 2,444,690,708.78 = 978,578,240.88 : x
  2. Step 2: Convert to fraction form
    1,771,549,328.60/2,444,690,708.78 = 978,578,240.88/x
  3. Step 3: Cross multiply
    1,771,549,328.60x = 2,444,690,708.78 × 978,578,240.88
  4. Step 4: Simplify right side
    1,771,549,328.60x = 2,392,321,133,293,613,056
  5. Step 5: Solve for x
    x = 2,392,321,133,293,613,056/1,771,549,328.60
  6. Step 6: Final answer
    x = 1,350,411,808.85

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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.