Home / 614,795,999.66-921,228,811.35-418,153,197.34

Finding the Fourth Proportional to 614,795,999.66, 921,228,811.35 and 418,153,197.34

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Solution

The fourth proportional to 614,795,999.66, 921,228,811.35 and 418,153,197.34 is: 626,573,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,795,999.66 : 921,228,811.35 = 418,153,197.34 : x
  2. Step 2: Convert to fraction form
    614,795,999.66/921,228,811.35 = 418,153,197.34/x
  3. Step 3: Cross multiply
    614,795,999.66x = 921,228,811.35 × 418,153,197.34
  4. Step 4: Simplify right side
    614,795,999.66x = 385,214,772,947,730,176
  5. Step 5: Solve for x
    x = 385,214,772,947,730,176/614,795,999.66
  6. Step 6: Final answer
    x = 626,573,323.77

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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.