Home / 356,714,421.40-534,433,902.90-305,696,085.40

Finding the Fourth Proportional to 356,714,421.40, 534,433,902.90 and 305,696,085.40

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Solution

The fourth proportional to 356,714,421.40, 534,433,902.90 and 305,696,085.40 is: 457,997,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,714,421.40 : 534,433,902.90 = 305,696,085.40 : x
  2. Step 2: Convert to fraction form
    356,714,421.40/534,433,902.90 = 305,696,085.40/x
  3. Step 3: Cross multiply
    356,714,421.40x = 534,433,902.90 × 305,696,085.40
  4. Step 4: Simplify right side
    356,714,421.40x = 163,374,352,021,573,696
  5. Step 5: Solve for x
    x = 163,374,352,021,573,696/356,714,421.40
  6. Step 6: Final answer
    x = 457,997,608.79

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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.