Home / 1,771,549,330.60-2,444,690,711.54-978,578,242.88

Finding the Fourth Proportional to 1,771,549,330.60, 2,444,690,711.54 and 978,578,242.88

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Solution

The fourth proportional to 1,771,549,330.60, 2,444,690,711.54 and 978,578,242.88 is: 1,350,411,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,549,330.60 : 2,444,690,711.54 = 978,578,242.88 : x
  2. Step 2: Convert to fraction form
    1,771,549,330.60/2,444,690,711.54 = 978,578,242.88/x
  3. Step 3: Cross multiply
    1,771,549,330.60x = 2,444,690,711.54 × 978,578,242.88
  4. Step 4: Simplify right side
    1,771,549,330.60x = 2,392,321,140,883,870,208
  5. Step 5: Solve for x
    x = 2,392,321,140,883,870,208/1,771,549,330.60
  6. Step 6: Final answer
    x = 1,350,411,811.61

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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.