Home / 861,473,848.32-1,188,827,758.08-470,333,260.80

Finding the Fourth Proportional to 861,473,848.32, 1,188,827,758.08 and 470,333,260.80

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Solution

The fourth proportional to 861,473,848.32, 1,188,827,758.08 and 470,333,260.80 is: 649,056,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,473,848.32 : 1,188,827,758.08 = 470,333,260.80 : x
  2. Step 2: Convert to fraction form
    861,473,848.32/1,188,827,758.08 = 470,333,260.80/x
  3. Step 3: Cross multiply
    861,473,848.32x = 1,188,827,758.08 × 470,333,260.80
  4. Step 4: Simplify right side
    861,473,848.32x = 559,145,235,987,319,936
  5. Step 5: Solve for x
    x = 559,145,235,987,319,936/861,473,848.32
  6. Step 6: Final answer
    x = 649,056,540.81

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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.