Home / 518,275,146.60-711,412,619.04-458,222,313.60

Finding the Fourth Proportional to 518,275,146.60, 711,412,619.04 and 458,222,313.60

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Solution

The fourth proportional to 518,275,146.60, 711,412,619.04 and 458,222,313.60 is: 628,980,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,275,146.60 : 711,412,619.04 = 458,222,313.60 : x
  2. Step 2: Convert to fraction form
    518,275,146.60/711,412,619.04 = 458,222,313.60/x
  3. Step 3: Cross multiply
    518,275,146.60x = 711,412,619.04 × 458,222,313.60
  4. Step 4: Simplify right side
    518,275,146.60x = 325,985,136,220,744,192
  5. Step 5: Solve for x
    x = 325,985,136,220,744,192/518,275,146.60
  6. Step 6: Final answer
    x = 628,980,838.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.