Home / 7,726,348,812.12-10,664,673,549.01-4,512,125,822.52

Finding the Fourth Proportional to 7,726,348,812.12, 10,664,673,549.01 and 4,512,125,822.52

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Solution

The fourth proportional to 7,726,348,812.12, 10,664,673,549.01 and 4,512,125,822.52 is: 6,228,083,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,348,812.12 : 10,664,673,549.01 = 4,512,125,822.52 : x
  2. Step 2: Convert to fraction form
    7,726,348,812.12/10,664,673,549.01 = 4,512,125,822.52/x
  3. Step 3: Cross multiply
    7,726,348,812.12x = 10,664,673,549.01 × 4,512,125,822.52
  4. Step 4: Simplify right side
    7,726,348,812.12x = 48,120,348,909,197,041,664
  5. Step 5: Solve for x
    x = 48,120,348,909,197,041,664/7,726,348,812.12
  6. Step 6: Final answer
    x = 6,228,083,934.51

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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.