Home / 406,146,679.74-609,567,892.02-403,089,565.32

Finding the Fourth Proportional to 406,146,679.74, 609,567,892.02 and 403,089,565.32

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Solution

The fourth proportional to 406,146,679.74, 609,567,892.02 and 403,089,565.32 is: 604,979,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,146,679.74 : 609,567,892.02 = 403,089,565.32 : x
  2. Step 2: Convert to fraction form
    406,146,679.74/609,567,892.02 = 403,089,565.32/x
  3. Step 3: Cross multiply
    406,146,679.74x = 609,567,892.02 × 403,089,565.32
  4. Step 4: Simplify right side
    406,146,679.74x = 245,710,456,627,370,496
  5. Step 5: Solve for x
    x = 245,710,456,627,370,496/406,146,679.74
  6. Step 6: Final answer
    x = 604,979,601.91

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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.