Home / 402,926,661.60-604,389,992.40-130,324,984.80

Finding the Fourth Proportional to 402,926,661.60, 604,389,992.40 and 130,324,984.80

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Solution

The fourth proportional to 402,926,661.60, 604,389,992.40 and 130,324,984.80 is: 195,487,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,926,661.60 : 604,389,992.40 = 130,324,984.80 : x
  2. Step 2: Convert to fraction form
    402,926,661.60/604,389,992.40 = 130,324,984.80/x
  3. Step 3: Cross multiply
    402,926,661.60x = 604,389,992.40 × 130,324,984.80
  4. Step 4: Simplify right side
    402,926,661.60x = 78,767,116,572,802,112
  5. Step 5: Solve for x
    x = 78,767,116,572,802,112/402,926,661.60
  6. Step 6: Final answer
    x = 195,487,477.20

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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.