Home / 384,984,005.60-577,476,008.40-298,987,666.40

Finding the Fourth Proportional to 384,984,005.60, 577,476,008.40 and 298,987,666.40

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Solution

The fourth proportional to 384,984,005.60, 577,476,008.40 and 298,987,666.40 is: 448,481,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,984,005.60 : 577,476,008.40 = 298,987,666.40 : x
  2. Step 2: Convert to fraction form
    384,984,005.60/577,476,008.40 = 298,987,666.40/x
  3. Step 3: Cross multiply
    384,984,005.60x = 577,476,008.40 × 298,987,666.40
  4. Step 4: Simplify right side
    384,984,005.60x = 172,658,204,153,502,784
  5. Step 5: Solve for x
    x = 172,658,204,153,502,784/384,984,005.60
  6. Step 6: Final answer
    x = 448,481,499.60

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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.