Home / 651,270,800.40-976,906,200.60-646,735,837.20

Finding the Fourth Proportional to 651,270,800.40, 976,906,200.60 and 646,735,837.20

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Solution

The fourth proportional to 651,270,800.40, 976,906,200.60 and 646,735,837.20 is: 970,103,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,270,800.40 : 976,906,200.60 = 646,735,837.20 : x
  2. Step 2: Convert to fraction form
    651,270,800.40/976,906,200.60 = 646,735,837.20/x
  3. Step 3: Cross multiply
    651,270,800.40x = 976,906,200.60 × 646,735,837.20
  4. Step 4: Simplify right side
    651,270,800.40x = 631,800,249,510,912,256
  5. Step 5: Solve for x
    x = 631,800,249,510,912,256/651,270,800.40
  6. Step 6: Final answer
    x = 970,103,755.80

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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.