Home / 650,670,666.40-976,005,999.60-219,842,941.60

Finding the Fourth Proportional to 650,670,666.40, 976,005,999.60 and 219,842,941.60

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Solution

The fourth proportional to 650,670,666.40, 976,005,999.60 and 219,842,941.60 is: 329,764,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,670,666.40 : 976,005,999.60 = 219,842,941.60 : x
  2. Step 2: Convert to fraction form
    650,670,666.40/976,005,999.60 = 219,842,941.60/x
  3. Step 3: Cross multiply
    650,670,666.40x = 976,005,999.60 × 219,842,941.60
  4. Step 4: Simplify right side
    650,670,666.40x = 214,568,029,971,312,416
  5. Step 5: Solve for x
    x = 214,568,029,971,312,416/650,670,666.40
  6. Step 6: Final answer
    x = 329,764,412.40

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1.5x scale

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.