Home / 1,488,710,807.88-2,233,308,783.60-439,555,071.12

Finding the Fourth Proportional to 1,488,710,807.88, 2,233,308,783.60 and 439,555,071.12

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Solution

The fourth proportional to 1,488,710,807.88, 2,233,308,783.60 and 439,555,071.12 is: 659,404,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,710,807.88 : 2,233,308,783.60 = 439,555,071.12 : x
  2. Step 2: Convert to fraction form
    1,488,710,807.88/2,233,308,783.60 = 439,555,071.12/x
  3. Step 3: Cross multiply
    1,488,710,807.88x = 2,233,308,783.60 × 439,555,071.12
  4. Step 4: Simplify right side
    1,488,710,807.88x = 981,662,201,208,218,624
  5. Step 5: Solve for x
    x = 981,662,201,208,218,624/1,488,710,807.88
  6. Step 6: Final answer
    x = 659,404,228.15

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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.