Home / 478,912,507,090.44-660,903,381,235.76-273,157,168,514.71

Finding the Fourth Proportional to 478,912,507,090.44, 660,903,381,235.76 and 273,157,168,514.71

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Solution

The fourth proportional to 478,912,507,090.44, 660,903,381,235.76 and 273,157,168,514.71 is: 376,959,243,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,912,507,090.44 : 660,903,381,235.76 = 273,157,168,514.71 : x
  2. Step 2: Convert to fraction form
    478,912,507,090.44/660,903,381,235.76 = 273,157,168,514.71/x
  3. Step 3: Cross multiply
    478,912,507,090.44x = 660,903,381,235.76 × 273,157,168,514.71
  4. Step 4: Simplify right side
    478,912,507,090.44x = 180,530,496,280,158,130,929,664
  5. Step 5: Solve for x
    x = 180,530,496,280,158,130,929,664/478,912,507,090.44
  6. Step 6: Final answer
    x = 376,959,243,300.92

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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.