Home / 283,615,235.48-391,711,875.06-190,634,318.12

Finding the Fourth Proportional to 283,615,235.48, 391,711,875.06 and 190,634,318.12

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Solution

The fourth proportional to 283,615,235.48, 391,711,875.06 and 190,634,318.12 is: 263,292,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,615,235.48 : 391,711,875.06 = 190,634,318.12 : x
  2. Step 2: Convert to fraction form
    283,615,235.48/391,711,875.06 = 190,634,318.12/x
  3. Step 3: Cross multiply
    283,615,235.48x = 391,711,875.06 × 190,634,318.12
  4. Step 4: Simplify right side
    283,615,235.48x = 74,673,726,201,569,744
  5. Step 5: Solve for x
    x = 74,673,726,201,569,744/283,615,235.48
  6. Step 6: Final answer
    x = 263,292,365.36

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1.5x scale

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.