Home / 434,554,404.40-651,831,606.60-386,937,290.80

Finding the Fourth Proportional to 434,554,404.40, 651,831,606.60 and 386,937,290.80

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Solution

The fourth proportional to 434,554,404.40, 651,831,606.60 and 386,937,290.80 is: 580,405,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554,404.40 : 651,831,606.60 = 386,937,290.80 : x
  2. Step 2: Convert to fraction form
    434,554,404.40/651,831,606.60 = 386,937,290.80/x
  3. Step 3: Cross multiply
    434,554,404.40x = 651,831,606.60 × 386,937,290.80
  4. Step 4: Simplify right side
    434,554,404.40x = 252,217,955,915,615,424
  5. Step 5: Solve for x
    x = 252,217,955,915,615,424/434,554,404.40
  6. Step 6: Final answer
    x = 580,405,936.20

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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.