Home / 356,615,998.90-534,923,998.35-299,220,370.90

Finding the Fourth Proportional to 356,615,998.90, 534,923,998.35 and 299,220,370.90

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Solution

The fourth proportional to 356,615,998.90, 534,923,998.35 and 299,220,370.90 is: 448,830,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,615,998.90 : 534,923,998.35 = 299,220,370.90 : x
  2. Step 2: Convert to fraction form
    356,615,998.90/534,923,998.35 = 299,220,370.90/x
  3. Step 3: Cross multiply
    356,615,998.90x = 534,923,998.35 × 299,220,370.90
  4. Step 4: Simplify right side
    356,615,998.90x = 160,060,157,189,597,984
  5. Step 5: Solve for x
    x = 160,060,157,189,597,984/356,615,998.90
  6. Step 6: Final answer
    x = 448,830,556.35

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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.