Home / 742,146,933.27-1,023,692,138.18-455,913,204.33

Finding the Fourth Proportional to 742,146,933.27, 1,023,692,138.18 and 455,913,204.33

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Solution

The fourth proportional to 742,146,933.27, 1,023,692,138.18 and 455,913,204.33 is: 628,871,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,146,933.27 : 1,023,692,138.18 = 455,913,204.33 : x
  2. Step 2: Convert to fraction form
    742,146,933.27/1,023,692,138.18 = 455,913,204.33/x
  3. Step 3: Cross multiply
    742,146,933.27x = 1,023,692,138.18 × 455,913,204.33
  4. Step 4: Simplify right side
    742,146,933.27x = 466,714,762,962,601,280
  5. Step 5: Solve for x
    x = 466,714,762,962,601,280/742,146,933.27
  6. Step 6: Final answer
    x = 628,871,106.30

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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.